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Answered on 11/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

What is the derivative of log x?

Prabha R.

1/x.

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Answers 1 Comments Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

Find the value of k: f(x) = kx + 1; 3x - 5 if x < 5 at x = 5?

Ankit Pushp

JEE/Board Maths Tutor

9/5.

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Answers 1 Comments Answered on 08/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

What do you mean by the function is strictly increasing and decreasing with respect to continuity?

Rama Krishna Ravulapalli

Dear Student, Increasing Functions: A function is "increasing" when the y-value increases as the x-value increases. Decreasing Functions: The y-value decreases as the x-value increases.

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Answers 2 Comments Answered on 07/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

Find the rate of change of the area of a circle with respect to its radius r when r = 5 cm?

Sarvajeet Kumar

Tutor

41.4 cm.

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Answers 2 Comments Answered on 07/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

What do you mean by L. H. L and R. H. L?

Sarvajeet Kumar

Tutor

Left and Right Hand Limit.

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Answers 2 Comments Answered on 25/11/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

Find the value of k: f(x) = kx; 3 if x < 2 at x = 2?

Srinivas

Tutor.

Let x--->2 kx=3 k*2=3 k=3/2.

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Answers 2 Comments Answered on 22/11/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

Define differentiability?

Narendra

Tutor

df/dx=lim h->0 f(x+h)-f(x)/ h

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Answers 3 Comments Answered on 07/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

An edge of a variable cube is increasing at the rate of 3 cm per second. How fast is the volume of the...

Sarvajeet Kumar

Tutor

900 cube cm per second.

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Answers 1 Comments The radius of a circle is increasing at the rate of 0.7 cm/s. What is the rate of its circumference?

Sarvajeet Kumar

Tutor

4.4 cm/s.

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Answers 1 Comments Answered on 02/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Continuity and Differentiability

Differentiate the equation with respect to x: (square of x) + (square of y) = 25?

Sarvajeet Kumar

Tutor

Differentiation of the equation with respect to x = -x/y.

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