# math

posted by
**sonia** on
.

f(x)= 5x^2+8x+7/x^1/2

i have to find the derivative and when I do this is what i get....

(x^.5)(10x+8)-(5x^2+8x+7)(-.5x^-3/2)/(x)

it says that i am wrong however

please help

posted by
**sonia** on
.

f(x)= 5x^2+8x+7/x^1/2

i have to find the derivative and when I do this is what i get....

(x^.5)(10x+8)-(5x^2+8x+7)(-.5x^-3/2)/(x)

it says that i am wrong however

please help