Question

( a ^ { 2 } b - b ^ { 2 } a ) ^ { 2 } =​

Answer 1

$\huge \green{ \mid{ \underline{ \overline{ \tt answer }} \mid}}$

$= {( {a}^{2} b - {b}^{2} a)}^{2} \\ = {( {a}^{2}b) }^{2} + {( {b}^{2}a) }^{2} - 2( {a}^{2}b)( {b}^{2} a) \\ = {a}^{4} {b}^{2} + {b}^{4} {a}^{2} - 2 {a}^{3} {b}^{3}$

Formula used-

(a-b)² = a² +b² -2ab

• Hope it's helpful :)