Answers

2016-02-27T15:17:54+05:30
( (a+b)x )^2 + 2(a+b) *4(a-b) + (4(a-b))^2=0 [.( a+b) x + 4(a-b)]^2=0 (a+b)x. + 4 (a-b)=0 x= 4b-4a/ a+b = 4(b-a)/a+b
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