Question

poderiam falr o resultado pfvr?

( ab - a^2)^2

Answer 1

Resposta:

$\sf(ab - a {}^{2} ) {}^{2} \\ \sf(ab) {}^{2} - 2aba {}^{2} + (a {}^{2} ) {}^{2} \\ \large \boxed{ \boxed{ \sf \: a {}^{2} b {}^{2} - 2a {}^{3}b + a {}^{4} }}$