Question

qual o polinômio de:
$(x {}^{4 } + 5y {}^{3} ) {}^{2}$
​

Answer 1

Oie, Td Bom?!

$= (x {}^{4} + 5y {}^{3} ) {}^{2}$

$= (x {}^{4} ) {}^{2} + 2x {}^{4} \: . \: 5y {}^{3} + (5y {}^{3} ) {}^{2}$

$= x {}^{8} + 10x {}^{4} y {}^{3} + 25y {}^{6}$

Att. Makaveli1996