Problem of the Week

Updated at Mar 14, 2016 9:09 AM

To get more practice in calculus, we brought you this problem of the week:

How can we find the derivative of x3x{x}^{3}-x?

Check out the solution below!



ddxx3x\frac{d}{dx} {x}^{3}-x

1
Use Power Rule: ddxxn=nxn1\frac{d}{dx} {x}^{n}=n{x}^{n-1}.
3x213{x}^{2}-1

Done