Question

If n > I then value of the expression is

           

Solution

Correct option is

0

Differentiating both the sides, we get

                                                                        

Putting x = – 1, we get

           

SIMILAR QUESTIONS

Q1

If ω ≠ 1 is a cube root of unity and (ω + x)n = 1 + 12ω + 69ω +…. Then values of n and x are respectively.

Q2

If ω ≠ 1, is nth root of unity, and  then value of x is

Q3

The remainder when  (24 times 5) is divided by 24 is

Q4

 divided by 7 is

Q5

If in the expansion of (a – 2b)n. the sum of 4th and 5th term is 0, then value of  is

Q6

The coefficient of t50 in (1 + t2)25 (1 + t25) (1 + t40) (1 + t45(1 + t47)……(1) is

 

Q7

 is a polynomial of degree

Q8

 is a polynomial of degree