Question

Find the product of (x^2+y^2) (x^2-y^2)​

Answer 1

Answer:

$( {x}^{2} + {y}^{2} )( {x}^{2} - {y}^{2} ) \\ we \: know \: that \: ( a+ b)(a -b ) = {a}^{2} - {b}^{2} \\ so \: ( {x}^{2} )^{2} - ( {y}^{2})^{2} \\ {x}^{4} - {y}^{4}$

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