Find the gradient of the curve y= 2x^2 at the point x=3

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- Mar 11th 2008, 11:29 AMgraceygradient
Find the gradient of the curve y= 2x^2 at the point x=3

- Mar 11th 2008, 11:43 AMiknowone
The gradient of $\displaystyle 2x^2$ is $\displaystyle 4x$. So the gradient at the point $\displaystyle x=3$ is $\displaystyle 4x = 4(3) = 12$.