Question

Considere A = 3x2 y e B = – 6xy3
Calcule o produto A.B. ajudaaaaaaaaaaaaaa pff

Answer 1

Oie, Td Bom?!

$= A \: . \: B$

$= 3x {}^{2} \: . \: ( - 6xy {}^{3} )$

$= - 3x {}^{2} \: . \: 6xy {}^{3}$

$= - 18x {}^{2} \: . \: xy {}^{3}$

$= - 18x {}^{2} \: . \: x {}^{1} y {}^{3}$

$= - 18x {}^{1 + 2} y {}^{3}$

$= - 18x {}^{3} y {}^{3}$

Att. Makaveli1996