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SyEXERCISE - 4.3Solve each of the following pairs of equations by reducing them to a pair of linear quan-21-6iexflybiky2x+4y - 5xySale 2019-21 |
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Answer» let 1/ x-1=d; 1/y-2=v su+v=2_______(1), su-3v=1___(2); (1)×3 isu+ 3v=6______(3), (2)+(3) __ 2u=1; u=1/3; v-1/3; x-1=3; x=4, y-2=3; y=5 |
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