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How to do this

0 votes

f(x)=sqrt(x+2), using dy/dx

asked Nov 16, 2013 in CALCULUS by andrew Scholar

2 Answers

0 votes

y=f(x)

  =sqrt(x+2)

Take derivative both sides

dy/dx=d/dx(sqrt(x+2))

         =1/(2sqrt(x+1))*1

        =1/(2sqrt(x+1))

answered Nov 16, 2013 by bradely Mentor

Derivative of f(x)= sqrt(x+2) is 1/(2sqrt(x+2)).

0 votes

The fuction image

image

image

Apply derivative on each side with respect of x .

image

Apply chain rule in derivatives.

and image

image

image

answered Jun 26, 2014 by david Expert

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