Question

simplify:-. 1. (x²+y²) ( x²- y²)​

Answer 1

Answer:

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

$so \: ( {x}^{2} + {y}^{2} )( {x}^{2} - {y}^{2} ) = ( {x}^{4} - {y}^{4} )$

Here is your answer...✅

Answer 2

Answer:

⭐Solution⭐

✏(x²+y²-z²)²-(x²-y²+z²)²

= (x²+y² - z²-x²+y²-z²)(x²+y²-z²+x²-y²+z²)

= 2(y²-z²)2(x²)

= 4x²(y²-z²).

⏩Hopes its help's u.