﻿ 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 : Kaysons Education

# 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

#### Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

#### Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

#### National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

#### Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

#### Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

## Question

### Solution

Correct option is

#### SIMILAR QUESTIONS

Q1

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

Q2

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

Q3

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

Q4

If n is an odd natural, then  equals

Q5

If n is an odd natural, then  equals

Q6
Q7

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

Q8

respect to x, is

Q9

is a polynomial of degree 5, then =

Q10

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