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## Question

### Solution

Correct option is

x2 + y2 + xy = 2,

Differentiating both sides we get,

#### SIMILAR QUESTIONS

Q1

Let f and g be differentiable function satisfying g’(a) = 2, g(a) = b and f o g = I (identity function). Then f’(b) is equal to

Q2

,

Q3

Then A is equal to

Q4
Q5

The values of a and b such that f and f’ are continuous are

Q6

The coefficients a and b that make the function

Differentiable at any point are given by

Q7

The derivative at x = 0 of