1.

Iqac-u2

Answer»

1/x+y = u1/x-y = v19u - 2v = 1.......(1)15u +7v = 10.......(2)(1)×7;133u - 14v = 7....(3)(2)×2;30u + 14v = 20....(4)(3)+(4);163u=27u = 27/163513/163 - 2v =1v= 175/163so, x+y = 163/27....(5)x-y = 163/175....(6)(5)+(6);x=16463/4725



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