Question

36/25 x⁴ - 1/16 y⁴ Factorise it
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Answer 1

36/25x⁴ - 1/16y⁴

= (6/5x²)² - (1/4y²)²

= (6/5x² + 1/4y²)(6/5x² - 1/4y²)

hope it helps you!!