Question

5. Factorize: x⁴ + y⁴ - 3x²y²​

Answer 1

x^4 + y^4 - 3x²y²

= x^4 + y^4 - 2x²y² - x²y²

= (x²)² + (y²)² - 2x²y² - x²y²

= ( x²- y²)² - (xy)²

= ( x²- y² - xy )( x² - y² + xy )

[ ∵ a²- b² = ( a + b )( a - b )]

Hope it helps you ❤

^_^

Answer 2

Answer:

this is ur ans

Step-by-step explanation:

Plz see the attached pic

HOPE IT HELPS