Can sumone pls show me how to do this question.

Q.Suppose that f:N->N and g:N->N are defined by f(n)=n^3 and g(n)=n^2 for each natural number n.Show that g o f is not equal to f o g. :confused:

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- Aug 17th 2006, 02:33 AMdcapdoggPlease help....
Can sumone pls show me how to do this question.

Q.Suppose that f:N->N and g:N->N are defined by f(n)=n^3 and g(n)=n^2 for each natural number n.Show that g o f is not equal to f o g. :confused: - Aug 17th 2006, 02:40 AMCaptainBlackQuote:

Originally Posted by**dcapdogg**

.

RonL - Aug 17th 2006, 02:44 AMdcapdoggoops i left a bit out
g(n)=n^2-2

- Aug 17th 2006, 03:23 AMCaptainBlackQuote:

Originally Posted by**dcapdogg**

and so they are not the same function.

RonL - Aug 17th 2006, 04:04 AMtopsquarkQuote:

Originally Posted by**CaptainBlack**

-Dan - Aug 17th 2006, 04:38 AMThePerfectHacker
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