Question

Cuanto es (a —— b)² y (b — c)³

Answer 1

Explicación paso a paso:

(a-b)^2

(a)^2-2(a)(b)+(b)^2

a^2-2ab+b^2

(b-c)^3

(b)^3-3(b)^2(c)+3(b)(c)^2-(c)^3

b^3-3b^2c+3bc^2-c^3