Question

Solution

Correct option is

Rationalise to get, 

            

            

            

SIMILAR QUESTIONS

Q1

Find and b so that the function:    

 

   

Q2

 is continuous at x = 0, find the values of Aand B. Also find f (0).

Q3

Find the natural number a for which  where the function f satisfies the relation f (x + y) = f (xf (y) for all natural number xy and further f (1) = 2.

 

Q4

Find the derivative of y = log x wrt x from first principles.

Q5

Evaluate the derivative of f (x) = xn wrt x from definition of derivative. Hence find the derivative of wrt x.

Q6

Find the derivative of sin x wrt x from first principles.

Q7

Differentiate ax wrt x from first principles.

Q8

Differentiate sin (log x) wrt x from first principles.

Q9

Differentiate x2 tan x wrt x from first principles.

Q10

Find dy/dx for the functions.