Please help me with this question

Find the derivative of f(x) = x2 + 2x using first principle of derivative.

Dear Student,
Please find below the solution to the asked query:

We have:fx=x2+2xfx+h=x+h2+2x+h=x2+h2+2xh+2x+2hBy first principal we have:f'x=limh0 fx+h-fxh=limh0 x2+h2+2xh+2x+2h-x2+2xh=limh0 x2+h2+2xh+2x+2h-x2-2xh=limh0 h2+2xh+2hh=limh0 hh+2x+2h=limh0 h+2x+2Applying limit we get:f'x=0+2x+2=2x+2 Answer

Hope this information will clear your doubts about this topic.

If you have any doubts just ask here on the ask and answer forum and our experts will try to help you out as soon as possible.

  • 0
What are you looking for?