Question

 respect to x, is

Solution

Correct option is

2n

              

              

           

          

                            

                           

SIMILAR QUESTIONS

Q1

Show that 11n+2 + 122n+1 is divisible by 133.

Q2

Evaluate C1 – 2. C2 + 3. C3 – 4. C4 +….+ (– 1)n+1n. Cn 

Q3

The digit at unit place in the number 171995 + 111995 – 71995 is

Q4

If the sum of the coefficients in the expression of (1 + 2x)n is 6561. The greatest term in the expression at x = 1/2 is

Q5

The number of terms in the expression of (a + b + c)n, where n Ïµ N, is

Q6

The number of terms which are free from fractional powers in the expansion of (a1/5 + b2/3)45a ≠ b is

Q7

If n is an odd natural, then  equals

Q8
Q9

The coefficient of xm in (1 + x)r + (1 + x)r+1 + (1 + x)r+2 +….+ (1 + x)nr≤ m ≤ n is

Q10

 is a polynomial of degree 5, then n