Question

Solution

Correct option is

SIMILAR QUESTIONS

Q1

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

Q2

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

Q3

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

Q4

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

Q5

If n is an odd natural, then  equals

Q6

If n is an odd natural, then  equals

Q7
Q8

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

Q9

 

 respect to x, is

Q10

If in the expression of (1 + x)m (1 – x)n. the coefficient of x and x2 are 3 and – 6 respectively, then m is