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Sir kindly send me the solution for question number 33

Nivas Gopi , 6 Years ago
Grade 11
anser 1 Answers
Aditya Gupta

Last Activity: 6 Years ago

Simply write tan^2y= (1+x^2)/(1+x)= f(x)
Now differentiate both sides wrt x using chain rule.
2tany*sec^2y*dy/dx= f'(x) using (u/v)' formula.
Write sec^2y= 1+tan^2y and it is then easy to find dy/dx.

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