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Mathematics 9 Online
OpenStudy (hba):

Question about functions :

OpenStudy (anonymous):

whats the question?

OpenStudy (hba):

Which of the following expresses the domain of \[g(x)=\frac{ 3 }{ (x-2)(x+3) }\] A)\[\left\{ x:x \neq 0 \right\}\] B)\[\left\{ x:x \neq 2 \right\}\] C)\[\left\{ x:x \neq -3 \right\}\]

OpenStudy (hba):

@rajathsbhat

OpenStudy (hba):

@waterineyes ?

OpenStudy (anonymous):

Firstly, denominator must not be 0..

OpenStudy (anonymous):

\[(x-2)(x+3) \ne 0\] Find x..

OpenStudy (hba):

So x=2,x=-3

OpenStudy (anonymous):

This will have two correct choices... Not equal to man not equal to.. \(x \ne 2\) and \(x \ne -3\)

OpenStudy (hba):

Yeah right ,What next @waterineyes

OpenStudy (hba):

so b and c cannot be the answer :)

OpenStudy (anonymous):

Cannot?? Why??

OpenStudy (hba):

I mean can be the answer.

OpenStudy (anonymous):

Yes but both...

OpenStudy (hba):

{x:x is not equal to 2 and x:x is not equal to 3} got it thanks :)

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