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Grade 12th passAlgebra

f([x^2 + 1]/x)=x^2 + 1/x^2,x is not equal to 0
then f(x)=?

Profile image of Abaidullah Ramay
8 Years agoGrade 12th pass
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1 Answer

Profile image of Khimraj
8 Years ago
simply put x2 = t-1
f(t) = t/(t-1)
Now put t = x
f(x) = x/(x-1).
Hope it clears......................................