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| 1. |
10/x+y + 2/x-y =4 15/x+y -5/x-y=3 |
| Answer» Let 1/x+y=p and 1/x-y=q then two eqns are formed....10p+2q=4 and 15p-5q=3 then solve it then u will find value of p and q then u can easily find x&y.... | |