Question

desenvolva algebricamente cada quadrado (3a 2ab)²

Answer 1

$3a {}^{2} \\ 9 + 6a + a {}^{2} \\ \\ 2ab {}^{2} \\ 4 + 2a + 2b + a ^{2} + 2a + ab + 2b + ab + b ^{2} \\4 + 4a + 4b + 2ab + a ^{2} + b^{2}$