﻿ The coefficient of xn in the expansion of (1 + x) (1 – x)n is : Kaysons Education

# The Coefficient Of xn in The Expansion Of (1 + x) (1 – x)n is

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## Question

### Solution

Correct option is

#### SIMILAR QUESTIONS

Q1

If n is an odd natural, then  equals

Q2
Q3

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

Q4

respect to x, is

Q5

is a polynomial of degree 5, then =

Q6

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

Q7

The number of terms in (1 + x)101 (1 + x2 – x)100 is

Q8

In the binomial expansion of (a – b)n, n ≤ 5, the sum of the 5th and 5thterms is zero. Then  equals

Q9

The coefficient of x8 in the expression of