Question

Use the identities:-
(-b^2+a^2)(b^2-a^2)

Answer 1

Step-by-step explanation:

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