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## Question

### Solution

Correct option is

– 3

Differentiating again, we have

So the value of the expression on L.H.S. at θ = π/2 is –3.

#### SIMILAR QUESTIONS

Q3
Q5

If f’(x) is continuous at x = 0 and f’’(0) = 4, then the value of

Q6

Suppose f is differentiable at x = 1 and

Q7

Suppose that f is a differentiable function with the property that

f(x + y) = f(x) + f(y) + xy and

Q8

Q10

up to n terms, then y’’(0) is equal to