factorize
16x⁴ - 72x²y² + 18 y⁴
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Ans:- 16x⁴ - 72x²y² + 81y⁴
= (4x²)² - 2×4x²×9y² + (9y²)²
= (4x² - 9y²)²
= (4x² - 9y²)(4x² - 9y²)
= ((2x)² - (3y)²)(2x)² - (3y)²)
= (2x + 3y)(2x -3y)(2x + 3y)(2x -3y)
here is your answer
hope it will help you
is question mein 18 ke jagah 81 hoga tabhi factorise hoga
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