Question

solve using indentity (x^2+y^2) (-y^2+x2​

Answer 1

Step-by-step explanation:

$( {x}^{2} + {y}^{2} )( - {y}^{2} + {x}^{2} ) = ( {x}^{2} + {y}^{2} )( {x}^{2} - {y}^{2} )$

$= { {x}^{2} }^{2} - { {y}^{2} }^{2}$

$= {x}^{4} - {y}^{4}$