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Given that x-y = 8 xy =5 find the value of x²+y² |
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Answer» Given, ⟹ (x - y)² = x² + y² - 2xy ⟹ ⟹ 8² = x² + y² -2(5) ⟹ x² + y² = 64 + 10 ⟹ x² + y² = 74 |
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