91- 6303239042
Difference of Two Binomial Expansions
## Formula
$$(a+b)^n-(a-b)^n=2\left[{}^nC_1a^{n-1}b+{}^nC_3a^{n-3}b^3+\cdots\right]$$
## Usage
- Used to eliminate all even-powered terms and retain only odd-powered terms.
Sign in
Please select an account to continue using cracku.in
↓ →
Difference of Two Binomial Expansions
## Formula
$$(a+b)^n-(a-b)^n=2\left[{}^nC_1a^{n-1}b+{}^nC_3a^{n-3}b^3+\cdots\right]$$
## Usage
- Used to eliminate all even-powered terms and retain only odd-powered terms.
Start your IIM journey with the right preparation and crack CAT 2026.
Educational materials for CAT preparation
