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Mathematics 15 Online
OpenStudy (anonymous):

Does anyone know how to find the derivative of y=(sqrt(x)) (x+24)

OpenStudy (mathstudent55):

Use the product rule.

OpenStudy (mathstudent55):

\(f(x) = uv\) \(f'(x) = uv' + vu'\)

OpenStudy (anonymous):

I got to (3/2x^1/2)+(12x^-1/2)....does this look right?

OpenStudy (anonymous):

\[y=\sqrt{x}\left( x+24 \right)=x ^{\frac{ 3 }{ 2 }}+24x ^{\frac{ 1 }{2}}\] \[y=x ^{n},\frac{ dy }{ dx }=nx ^{n-1}\]

OpenStudy (anonymous):

right and then you would pull the (3/2) in front to get ((3/2)x^(1/2)) and then the 1/2 in front of 24 to get 12x^(-1/2)?

OpenStudy (anonymous):

yes ,you are correct.

OpenStudy (anonymous):

and then thats the answer? Do I have to simplify it anymore?

OpenStudy (anonymous):

no need.

OpenStudy (anonymous):

Thank you so much!

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