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Q: solve for x and y :- (a+b)x+(a-b)y=2ab and (a+b)x-(a-b)y=ab .
a+b)x+(a-b)y=ab2ab(a+b)x-(a-b)y=abAdding both eqs, we get(1+2ab)(a+b)x=2abx=2ab/(2ab+1)(a+b)putting the value of x in eq (1)(a+b).2ab/(2ab+1)(a+b) +(a-b)y=ab(a-b)y=ab-2ab/(2ab+1)=ab(2ab-1)/(2ab+1)y=ab(2ab-1)/(2ab+1)(a-b)Thanks & RegardsRinkoo GuptaAskIITians Faculty
please check your answer in the second step , how do you get 2ab in the second step ?
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