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यदि 44/(x+y) + 30/(x-y) = 10, 55/(x+y) +...

यदि 44/(x+y) + 30/(x-y) = 10, 55/(x+y) + 40/(x-y) = 13,तब x और y के मान क्रमश: हैं- | 12 | रैखिक...

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