Problem of the Week

Updated at Jun 16, 2014 10:59 AM

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

How can we solve for the derivative of 9x9\sqrt{x}?

Check out the solution below!



ddx9x\frac{d}{dx} 9\sqrt{x}

1
Use Power Rule: ddxxn=nxn1\frac{d}{dx} {x}^{n}=n{x}^{n-1}.
92x\frac{9}{2\sqrt{x}}

Done