Question

(a+b)^2=
(a-b)^2=
(a+b)^3=
(a-b)^3=​

Answer 1

Answer:

(a+b)² = a²+2ab+b²

(a-b)² = a²- 2ab + b²

(a+b)³ = a³+ b³+ 3ab (a+b)

(a-b)³ = a³- b³- 3ab (a-b)

= a³- 3a³b +3ab²- b³