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There are three kids. The sum of individual squares of their body weights (x² + y² + z²) is 100. The sum of the product of their weights taking two friends at a time i.c. xy + yz + zx is 150. What will the weighing machine read if all the three kids stand on it at the same time? |
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Answer» wwheyyrur u girl in RED b b b b bbxbxxbfdjdhdjskeir I am prashant my ROLL t UNDERSTAND your |
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