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Solve the pair of equations : 8x+7y/xy=15 and 7x-2y/xy=5 where x, y, ≠0 |
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Answer» Value of X=1and Y=1 8x+7y/xy=15 and 7x-2y/xy=58x+7x=15 and 7x-2x=515x=15 and 5x=5x=1 and x=1Putting x=1 in eq.(1)8x+7y/xy=158x+7y=15xy8×1+7y=15×1×y8+7y=15y8=15y-7y8=8yy=1Hence x=1 and y=1 . |
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