what is the derivative of
-4/x^5+(8*3sqrtx)+8

Question

what is the derivative of 
-4/x^5+(8*3sqrtx)+8

amistre64 · Answer

this is just a simple application of the derivative rules.  what have you attempted so far?

anonymous · Answer

I have tried to bring the x^5 up next to the -4 so it would read -4x^-5, but that did not work. i tried to find the lcd but that didnt work either as well.

amistre64 · Answer

some things to keep in mind:$$\frac{d}{dx}x^v=n*x^{n-1}$$
$$\sqrt{a}=a^{1/2}$$
$$\frac{1}{b}=b^{-1}$$

amistre64 · Answer

what is your definition of "did not work"?

anonymous · Answer

sorry. I have to input what i think is the answer on an online database. When i typed in what i thought the answer was, it was wrong.

amistre64 · Answer

oh, yeah online programs are the worst for getting a proper format ....

amistre64 · Answer

-4/x^5+(8*3sqrtx)+8

-4x^-5 +8*3x^1/2 + 8

-4.-5x^(-5-1) + 8.3.1/2 x^(1/5-1) + 8.0

amistre64 · Answer

the . is a lazy *

amistre64 · Answer

1/2 - 1 .... not 1/5 - 1 as well :)

anonymous · Answer

thank you, i will try that and see if it works. thank you

mertsj · Answer

Did it work?