Problem of the Week

Updated at Apr 7, 2014 1:47 PM

How can we solve for the derivative of x92{x}^{\frac{9}{2}}?

Below is the solution.



ddxx92\frac{d}{dx} {x}^{\frac{9}{2}}

1
Use Power Rule: ddxxn=nxn1\frac{d}{dx} {x}^{n}=n{x}^{n-1}.
9x722\frac{9{x}^{\frac{7}{2}}}{2}

Done