Question

como resolver (a^7-b^7)²

Answer 1

(a^{7} -b^{7} )^{2}

(a^{7} )^{2} +2(a^{7})(-b^{7}) + ( b^{7})^{2} (usamos la "formula" (x-y)^{2}

Solucion:

a^{14}-2a^{7}b^{7} + b^{14}