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RANJIT replied | 2 days ago

Speed is path dependent quantity and scalar but velocity is path independent it depends only initial and final position.

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RANJIT replied | 2 days ago

It is a vector.

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Deepti 12/12/2016 in  Class XI-XII Tuition (PUC), Accountancy (Class XI-XII Tuition (PUC))

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Veer replied | 5 days ago

A set of numbers which represent row and column.

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Gagan replied | 2 days ago

Rectangular array of numbers arranged in rows ad columns. For example, the dimensions of the matrix below are 1 × 3 because there are one row and three columns.
[ 1 9 13 ].

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Karthik 29/12/2016 in  Class XI-XII Tuition (PUC)

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Heena replied | 3 days ago

If we define a function f (x) where x is integer , if f (x) = f (- x) it means function is symmetric and if
f ( x ) = - f (- x) it means function is anti- symmetric. Symmetric functions are even and anti-symmetric functions are odd.

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Dr S replied | 1 day ago

DEFINITION. A function f is even if the graph of f is symmetric with respect to the y-axis. Algebraically, f is even if and only if f(-x) = f(x) for all x in the domain of f. A function f is odd if the graph of f is symmetric with respect to the origin.

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Kanupriya replied | 2 days ago

Science and Maths is fun, try to learn fundamentals and concepts rather then try to just solving the questions. Relate them to things in everyday life and see your interest will start to develop in the subjects.

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IntellAct Academy replied | 2 days ago

We can help you. We have a program to make studies interesting, if you find it boring.

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Jaganshyam replied | 08 Jan

That depends on your experience, ability to impress student. Contact your nearby teachers check how much they are charging. If you charge more then you should know how and why you are different from other teachers.

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Vasudevan replied | 4 days ago

Depends may be Rs. 3000 for individual coaching.

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Bitu 04 Jan in  Basic Mechanical Engineering(BTech Tuition), Class IX-X Tuition, Class XI-XII Tuition (PUC), More... Advanced Placement Tests Coaching classes Physics(Advanced Placement Tests Coaching classes)

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Dr S replied | 1 day ago

When water freezes, water molecules form a crystalline structure maintained by hydrogen bonding. Solid water, or ice, is less dense than liquid water. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density.

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Saravanan replied | 1 day ago

Because of H bond.

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Dr S replied | 1 day ago

Parabola Definition in Maths : A parabola is a curve where any point is at an equal distance from: a fixed point (the focus ), and. a fixed straight line (the directrix)
Parabola in Physics : Parabolic Motion of Projectiles. A projectile is an object upon which the only force is gravity. Gravity, being a downward force, causes a projectile to accelerate in the downward direction.

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Dr S replied | 1 day ago

Answer in Physics : Parabolic Motion of Projectiles. A projectile is an object upon which the only force is gravity. Gravity, being a downward force, causes a projectile to accelerate in the downward direction.
A parabola is a curve where any point is at an equal distance from: a fixed point (the focus ), and. a fixed straight line (the directrix)

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Suman 2 days ago in  Class XI-XII Tuition (PUC)

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Sumeru Coaching Centre replied | 1 day ago

Integration using standard formulae:
Integration by parts
Integration by substitution
Integration by trig substitution
Integration by partial fractions
Integration by Weierstrass or tangent half angle substitution

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Sethubaskaran replied | 1 day ago

The integration is mere only one, the summation, the way or the tricks to resolve are of different methods as to arrive the full sum (trigonometry / Cartesian transfer, substitution are the tricks here).

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Suman 2 days ago in  Class XI-XII Tuition (PUC)

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Jayalaxmi replied | 2 days ago

1. Integration by parts
2. u-substitution
3. Reverse chain rule
4. Partial fraction expansion
5. Integration using trigonometric identities
6. Trigonometric substitution

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Dr S replied | 1 day ago

sin4x + cos4x = 0
2sin2xcos2x + 2(cos^2 2x - sin^2 2x) = 0
2sinx.cosx.(cos^2 2x - sin^2 2x) + cos^2 2x - sin^2 2x = 0
2sinx.cosx.cos^2 2x - 2sinx.cosx.sin^2 2x + cos^2 2x - sin^2 2x = 0

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Suman 02/12/2016 in  Class XI-XII Tuition (PUC)

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Sumeru Coaching Centre replied | 26/12/2016

Integration by STD formulas-
By 'U' substitution
By parts
By partial fractions
By trigonometric substitution
By weier strauss or tangent half angle substitution.

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Vidya replied | 30/12/2016

There are three method of integration.
(1)Integration by substitution
(2) Integration by Parts
(3) Integration by Partial Fractions

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Ranganath replied | 30/12/2016

It depends on how good one is at subject. A tutor helps to speed up the learning process, makes things understand in a better way. Wish you best of luck.

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Aditi replied | 04 Jan

Yes of course. Self study is always good, but you need proper focus and direction. Use some other reference book and seek help from your teacher whenever there is any doubt. And last not the least devote some fixed time and try to complete your work within some specific time limit which will help you to evaluate yourself.

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Pritesh replied | 26/11/2016

Form forms of Standard Parabola are follows:
y^2=4ax ;
y^2=-4ax ;
x^2=4ay ;
x^2=-4ay

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Rama Krishna replied | 09/12/2016

Square of ( x-h) = { 4p * ( y-k) }.

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Rajkmar 11/11/2016 in  Class XI-XII Tuition (PUC)

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Arvind Kumar replied | 03/12/2016

(-cos2x)/2+(log(cos4x)/4

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Sri Veera Bhadraswamy replied | 10/12/2016

(-cos2x)/2-(log(cos4x)/4.

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Mohit replied | 13/12/2016

When a point moves in a plane according to some given conditions the path along which it moves is called a locus.

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Sunil replied | 13/12/2016

There is nothing called as a locus of a point because locus itself is set of points which satisfy certain condition. It can be visualized as curve. For example, locus of all points that has a fixed distance from fixed point(centre) is called a circle. Finding Locus based problems are important in JEE exams they should be solved thoroughly. Also there are sufficient video lectures...  more»
There is nothing called as a locus of a point because locus itself is set of points which satisfy certain condition. It can be visualized as curve. For example, locus of all points that has a fixed distance from fixed point(centre) is called a circle. Finding Locus based problems are important in JEE exams they should be solved thoroughly. Also there are sufficient video lectures on YouTube so go ahead and improve your understanding. If any doubt ask here. «less

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Lohith replied | 07/12/2016

Use this standard form of equation x2 (x square )/a2 (a square) - y2 (y square)/b2 (b square) = 1.

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Prabha replied | 11/12/2016

If you take standard hyperbola as:
X^2/a^2- y^2/b^2 =1 the consider x^2/a^2 - y^2/b^2 = 0
Which gives (x/a - y/b) (x/a+y/b) = 0
Solve it to get separate equations.

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Vijay replied | 23/11/2016

x2 – y2 = a2.

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Sarvajeet replied | 03/12/2016

Square of x - Square of y = Square of a.

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Prakash 14/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Hyperbola

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Prateek replied | 19/11/2016

It is a line such that the distance between the curve and the line approaches zero as they tend to infinity

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Anurag replied | 20/11/2016

Those equation whose point of intersection meet at infinite.

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Medha replied | 21/11/2016

The Standard equation of Ellipse

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Sarvajeet replied | 03/12/2016

The special form of an ellipse: square of (x/a)+square of (y/b)=1, a>b;
The major axis is (2a) on x-axis and minor axis (2b) y-axis and the eccentricity e<1.

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Ajay replied | 23/11/2016

The direction of ellipse is based on its transverse axis. If its along x axis, its horizontal ellipse and if the axis is along y axis, its vertical ellipse.

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Sarvajeet replied | 03/12/2016

In horizontal ellipse: square of (x/a)+square of (y/b)=1, a>b;
and in vertical ellipse: square of (x/a)+square of (y/b)=1, a

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Rajesh replied | 09/12/2016

A circle consisting of all points where two perpendicular tangent lines to the ellipse cross each other.

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Ankit replied | 09/12/2016

In geometry, the director circle of an ellipse or hyperbola (also called the orthoptic circle or Fermat–Apollonius circle) is a circle consisting of all points where two perpendicular tangent lines to the ellipse cross each other.

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Sarvajeet replied | 02/12/2016

In an ellipse square of (x/a)+square of (y/b)=1, a>b;
The major axis is (2a) and minor axis (2b).

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Sanjeev replied | 03/12/2016

No, doubt ellipse being elliptical in shape has two diameters, center being the origin of the axes in which longest and shortest diameters are aligned.

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Sarvajeet replied | 03/12/2016

m= the slope of the tangent= dy/dx
Tangent A: y= mx + square root( square of (am) + square of b), where m=the slope of the tangent=dy/dx
or at (x1, y1), xx1/square of a + yy1/square of b=1.

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Bhaskar replied | 21/11/2016

y=mx±?(a2m2?b2) where mm refers to the slope of a tangent line.

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Sarvajeet replied | 03/12/2016

Tangent A: y= mx + square root( square of (am) - square of b), where m=the slope of the tangent=dy/dx.
or at (x1, y1), xx1/square of a - yy1/square of b=1.

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Sanjeev replied | 04/12/2016

Differential of y/ differential of x.

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Manikandan replied | 08/12/2016

For the curve y=f(x) slope of tangent is dy/dx.

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Ganesh 14/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Parabola

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Nirmal Bhasu replied | 06/12/2016

The chord which passes through focus is called focal chord.

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Sri Veera Bhadraswamy replied | 10/12/2016

The line which passes through the focus is called focal chord.

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