Can somebody please give the answer of this sum with the explanation
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Can somebody please give the answer of this sum with the explanation
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Explanation:
We know that (a-b)(a+b) = a² - b² and here is given such form.
So given = (x²)² - (2y•sqrt(x²-y²))²
= x⁴ - 4y²(x²-y²)
= x⁴ - 4x²y² + 4y⁴
= (x² - 2y²)²