(4x 2 – 5yz) 2 Solve this with suitable identity
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Question =》 (4x²-5yz)²
Solution =》 using the identity (a-b)²= a²+b²-2ab
(4x²-5xy)²
=(4x²)²+(5xy)²-2×4x²×5xy
= 16x⁴+25x²y²-40x³y
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