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Answered on 22/11/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) Continuity and Differentiability

Narendra

Tutor

df/dx=lim h->0 f(x+h)-f(x)/ h
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Answered on 11/12/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) Continuity and Differentiability

What is the derivative of log x?

Prabha R.

1/x.
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Answered on 07/12/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) Continuity and Differentiability

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

Sarvajeet Kumar

An Experienced Trainer

Left and Right Hand Limit.
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Answered on 07/12/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) 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

An Experienced Trainer

41.4 cm.
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Answered on 07/12/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) 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... read more
An edge of a variable cube is increasing at the rate of 3 cm per second. How fast is the volume of the cube increasing when the edge if 10 cm long? read less

Sarvajeet Kumar

An Experienced Trainer

900 cube cm per second.
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Answered on 07/12/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) Continuity and Differentiability

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

Sarvajeet Kumar

An Experienced Trainer

4.4 cm/s.
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Answered on 02/12/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) Continuity and Differentiability

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

Sarvajeet Kumar

An Experienced Trainer

Differentiation of the equation with respect to x = -x/y.
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Answered on 08/12/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) 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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Answered on 25/11/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) 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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Answered on 09/12/2016 CBSE/Class 12/Science/Mathematics Tuition/Class XI-XII Tuition (PUC) Continuity and Differentiability

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

Ankit

JEE/Board Maths Tutor

9/5.
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