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N

Nagesh 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Differential Equations

Solve with respect to x if y = (square of x) + 2x + c?

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Sarvajeet Kumar replied | 4 days ago

2x + 2.

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Sarvajeet Kumar replied | 4 days ago

dy/dx=2x+2.

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Answer

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S

Sonam 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Differential Equations

Solve with respect to x: y = cos x + c?

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Sarvajeet Kumar replied | 4 days ago

-sinx.

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Sarvajeet Kumar replied | 4 days ago

dy/dx = -sin x.

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Answer

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P

Parna 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Differential Equations

Solve with respect to sin x: y = sin x / tan x + cos x + c?

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Sarvajeet Kumar replied | 4 days ago

-2tan x.

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Sarvajeet Kumar replied | 4 days ago

dy/d(sin x)= -2tan x.

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Answer

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H

Harsha 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Differential Equations

Solve with respect to x: y = Ax?

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Sarvajeet Kumar replied | 4 days ago

A.

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Sarvajeet Kumar replied | 4 days ago

dy/dx= A.

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Answer

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C

Chandramami 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Differential Equations

Solve: y = x sin x?

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Sarvajeet Kumar replied | 4 days ago

dy/dx = sin x+x cos x.

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Answer

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A

Ankit 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Differential Equations

What do you mean by order and degree of the derivative?

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Show previous answers

K

Karuna replied | 22 Nov

By order we mean number of times the variable has been differentiated and by degree we mean the maximum power of the highest order deriative.

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Saddam Hossain replied | 24 Nov

The order of a differential equation is the order of the highest order derivative present in the equation.
The degree of a differential equation is the power of the highest order derivative in the equation after it has been made rational and integral as far as derivatives are concerned.
dx is of order 2 and degree 3.

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Answer

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J

Jayshree 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Differential Equations

Solve: x / a + y / b = 1?

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Sarvajeet Kumar replied | 4 days ago

-b/a.

0 0

Sarvajeet Kumar replied | 4 days ago

dy/dx= -b/a.

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Answer

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K

Karunanidhi 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Differential Equations

Solve: (square of y) = a [(square of b) - (square of x)]?

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Sarvajeet Kumar replied | 4 days ago

dy/dx=-ax/y. Where, (square of y) = a [(square of b) - (square of x)].

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Answer

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R

Rajendra 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Continuity and Differentiability

The volume of a cube is increasing at the rate of 8 cubic cm/sec. How fast is the surface area increasing when the length of an edge is 12 cm?

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Sarvajeet Kumar replied | 4 days ago

(8/3) square cm/sec or 2.6667 square cm/sec.

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Answer

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A

Aishwarya 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Continuity and Differentiability

A balloon which always remains spherical, has a variable diameter 3 / 2 (2x + 1). Find the rate of change of its volume with respect to x?

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Sarvajeet Kumar replied | 4 days ago

-((27.pie)/8) ((2x+1) power(-4)).

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Answer

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R

Ritu 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Permutations

Given 5 flags of different colours, how many different signals can be generated if each signal requires the use of 2 flags, one below the other?

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Abhilash replied | 30 Nov

5C2 *2! = 20 Out of 5 flags choosing any two will give you a signal. Now these flags can be interchanged (suppose red on top and blue below it, now blue on top and red below it) Hence 2! for this arrangement among these two colours themselves.

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Answer

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A

Ananya 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Permutations

Define permutation?

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K

Kovendan replied | 5 days ago

In mathematics, the notion of permutation relates to the act of arranging all the members of a set into some sequence or order, or if the set is already ordered, rearranging (reordering) its elements, a process called permuting. These differ from combinations, which are selections of some members of a set where order is disregarded. For example, written as tuples, there are six...  more»
In mathematics, the notion of permutation relates to the act of arranging all the members of a set into some sequence or order, or if the set is already ordered, rearranging (reordering) its elements, a process called permuting. These differ from combinations, which are selections of some members of a set where order is disregarded. For example, written as tuples, there are six permutations of the set {1,2,3}, namely: (1,2,3), (1,3,2), (2,1,3), (2,3,1), (3,1,2), and (3,2,1). These are all the possible orderings of this three element set. «less

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Abhilash replied | 4 days ago

In mathematics, the notion of permutation relates to the act of arranging all the members of a set into some sequence or order, or if the set is already ordered, rearranging (reordering) its elements, a process called permuting.

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Answer

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V

Vaibhav 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Permutations

Find r, if (5) P ® = 2 * (6) P (r - 1)?

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Sarvajeet Kumar replied | 4 days ago

3

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Answer

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T

Thamaraikannan 10 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Permutations

How many 5 - digit numbers can be constructed using the digits 0 to 9 if each number starts with 76 and no digit appears more than once?

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Sarvajeet Kumar replied | 26 Nov

336

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Gururaj replied | 28 Nov

8 x 7 x 6
i.e., 336

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Answer

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M

Mahesh K 12 Nov in  Mathematics(Class XI-XII Tuition (PUC))

How can I learn integral calculus

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Answer

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S

Sriram 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Find the distance between the directrices of the ellipse: square of (x) / 36 + square of (y) / 20 = 1?

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Sarvajeet Kumar replied | 3 days ago

18.

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Answer

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S

Selvi 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Find the equation of the hyperbola with eccentricity 3 / 2 and foci at (2, 0)?

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Sarvajeet Kumar replied | 3 days ago

square of (x) / (16/9) - square of (y) / (20/9) = 1.

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Answer

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N

Nasreen 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Define a circle as the locus of a point?

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Hussam Uddin replied | 22 Nov

Circle is locus of a point , whose distance from a fixed point i.e centre is constant i.e radius

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Sarvajeet Kumar replied | 3 days ago

Locus of a point whose distance from a fixed point is remain constant.

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Answer

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B

Bivash 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Find the centre and the radius of the circle from the given equation: (square of x) + (square of y) = 16?

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Tapas replied | 28 Nov

Circle: x^2 + y^2 = 16 = 4^2.
Center of the circle: (0, 0). Radius = 4 units.

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Sarvajeet Kumar replied | 3 days ago

The center = (0, 0), Radius = 4.

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Answer

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N

Neetu 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Find the equation of the circle whose centre is (3, 6) and which passes through the point (-1, 1)?

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Sarvajeet Kumar replied | 3 days ago

Square of (x-3) + Square of (x-6) = 41.

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Answer

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N

Neha 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Find the whether (1, 3) lies inside, or outside or on the circle (square of x) + (square of y) = 16?

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Gunturi replied | 3 days ago

Substitute those values in the L.H.S of the equation. if
LHS < RHS --- Lies Inside
LHS = RHS ---- Lies on the circle
LHS > RHS ---- Lies outside of the circle.

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Sarvajeet Kumar replied | 3 days ago

Inside.

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Answer

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H

Harsh 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Define latus rectum of a Parabola?

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Sarvajeet Kumar replied | 3 days ago

The latus rectum of a parabola, square of y =4ax is 4a.

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Answer

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H

Himanshu 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Find the axis of the parabola: (square of y) = x?

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Sarvajeet Kumar replied | 3 days ago

The x axis i.e., y = 0.

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Answer

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S

Sammeyka 08 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Conic Sections

Find the equation of the line which passes through the focus of the Parabola: (square of y) = 20x?

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Sarvajeet Kumar replied | 3 days ago

There are infinite number of lines at different slopes (including its axis) which pass through the focus (5,0) of the parabola, (square of y) = 20x. So, you tell me either one slope or one point.

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Answer

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M

Milan 09 Nov in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Matrices

If A = [9 0 8], B = [6 8 9] then find AB, BA. Show that AB = BA?

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Sarvajeet Kumar replied | 3 days ago

AB=BA=O
Where O=Zero matrix.

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Answer

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