Question

solve x^2 +(x/x-1)^2=8

Answer 1

Answer:

Solution : (c) x2+(xx-1)2=8 ⇒(x+xx-1)2-2x(xx-1)=8 ⇒(x2x-1)2-2(x2x-1)-8=0 x2x-1=t⇒t2-2t-8=0⇒t=4, ...

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