Question

  is equal to

Solution

Correct option is

(1/4)y

                

 Differentiating again, we get  

SIMILAR QUESTIONS

Q1

Let f(x) = sin xg(x) = x2 and h(x) = log x.  

Q2

 up to nterms, then y’(0) is equal to

Q3

Let f and g be functions satisfying f(x) = ex g(x), f (x + y) = f (x) + f(y),g(0) = 0, g’(0) = 4 g and g’ are continuous at 0.  

Then

Q4

Let f : R  R is a function which is defined by (x) = max {xx3}. The set of all points on which (x) is not differentiable is

Q5

Which of the following functions is differentiable at x = 0?

Q6

If f is a differentiable function at a point ‘a’ and f’(a 0 then which of the following is true.

Q7

 is equal to

Q8

Which of the following could be not true if 

Q9

Suppose that f(x) = [x], the least integer function then