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Show that functions f and g defined by f(x)=2 log x and g(x)=log x^2 are not equal even though log x^2 =2 log x. |
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Answer» Solution :`F(X)=2 "log"x` `g(x)="log" x^2` `"DOM" f(x) = (0,oo)` `"Dom" g(x) =R-{0} ` `"As Dom" f(x) != Dom g(x) "we have" f(x) !=g(x), "though log" x^2 =2"log"x` |
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