Question

(a^ m +b^ n ) (a^m-b^n) suma x diferencia

Answer 1

(a^ m +b^ n ) (a^m-b^n) 

(a^m )^2 -  (b^n)^2

(a^2m - b^2n ) 

Answer 2

(aˣ+bⁿ)(aˣ-bⁿ) = (aˣ)² - (bⁿ)²

Desarrollo:

(aˣ)² - (aˣ bⁿ) + (bⁿ aˣ) - (bⁿ)² = (aˣ)² - (bⁿ)²