tind inveje – InterviewSolution

1.

tind inveje

Answer»

f(x) = 5^(lnx)

taking natural log at both sides.

ln(f(x)) = (lnx)*ln5 so, lnx = ln(f(x))/ln5or lnx = ln₅(f(x))

so, x = e^(ln₅(f(x)))

f-¹(x) = e^ln₅(x)

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