In this question derivative of logx is written 1/yCan you please expla

This question was asked in Ex 5.5, 15

in this question derivative of logx is written 1/y

Can you please explain

Ahmed Raza

June 20, 2017, 5:28 p.m.

Davneet Singh

June 20, 2017, 5:40 p.m.

Hi Ahmed,

We have made a mistake.

In step 3, 4, 5 in the image you have posted, derivative of log x is 1/x. From the 4th step, the solution is correct.

We will change the answer soon.

Thank you for finding out mistakes and helping teachoo become better :)

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