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Mathematics 8 Online
OpenStudy (hyuna301):

pls help...

OpenStudy (hyuna301):

OpenStudy (hyuna301):

@phi

OpenStudy (hyuna301):

by differentiating the options , i got the answer but i want subjective approach to this question...

OpenStudy (phi):

Yes, that was the way I solved it (after looking up the derivative of inverse tan !)

OpenStudy (mr.hoot):

If the question is Finished please close the question. Thanks :)

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