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Mathematics 9 Online
OpenStudy (anonymous):

derrivative of -8sqrt(x)

OpenStudy (anonymous):

\[-8\sqrt{x}\]

OpenStudy (alekos):

do you know the derivative of x^(1/2) ?

OpenStudy (anonymous):

f = a x^n df/dx = a n x^(n-1)

OpenStudy (alekos):

there's your formula

OpenStudy (anonymous):

1/2x^-1/2

OpenStudy (alekos):

yes that's right! so now you just multiply by -8 and what do you get?

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