Question

identities:(a²b–bc²)²​

Answer 1

$( {a}^{2} b- b {c}^{2} ) ^{2} \\ \\ = ( { {a}^{2}b) }^{2} - 2( {a}^{2} b)(b {c}^{2} ) + ( {b {c}^{2}) }^{2} \\ \\ = {a}^{4} {b}^{2} - 2 {a}^{2} {b}^{2} {c}^{2} + {b}^{2} {c}^{4}$

Hope it helps...

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