Question

use a suitable identity to find the product.


(x²+y²)(-x²+y²)​

Answer 1

Step-by-step explanation:

$( {x}^{2} + {y}^{2}) ( {x}^{2} - {y}^{2}) \\ by \: using \: formula \: = > {x}^{2} - {y}^{2} = (x + y)(x - y) \\ ans. = {x}^{4} - {y}^{4}$