Question

Expand the following :---

1) (a+b)²
2)(a—b)²
3)(a+b)³
4)(a- b)³
5)5!
6) 3!

Answer 1

⭐1) (a+b)² = a²+b²+2ab

⭐2)(a—b)²= a²+b²- 2ab

3)(a+b)³ = a³+b³+3ab(a+b)

4)(a- b)³ = a³+b³- 3ab(a- b)

5)5! = 5×4×3×2×1 = 120

Factorial of a number = Number * (number -1)*.......1
6) 3! = 3×2×1 = 6

Answer 2

here's your answer bro

please mark this answer as brainliest please please to encourage me and follow me please please