1.

Which of the following pairs are identical?

Answer»

`F(x)=sqrt(x^2), G(x)=(sqrtx)^2`
`f(x)=1/sqrtx^2, g(x)=x/x^2`
f(x)=LOG(x-1)+log(x-2), g(x)=log(x-1) (x-2)
none of the above

Answer :D


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