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# CBSE Class 9 Answered

If x+ y = 12 and xy =32 Find x² + y²
Asked by tabhinav666 | 15 May, 2022, 05:54: PM
Expert Answer
(x + y)2 = x2 + y2 + 2xy
Therefore, x2 + y2 = (x + y)2 - 2xy
Therefore, x2 + y2 = (12)2 - 2(32) = 144 - 64 = 80
Answered by Renu Varma | 17 May, 2022, 11:15: AM

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