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posted by Janey on Friday, October 15, 2010 at 1:02am.

Find the derivative of y=(2x²+x)²°°.

Use the chain rule. Let 2x^2 +x = u(x) y = u^200 dy/dx = dy/du * du/dx dy/dx = 200*(2x^2 +x)^199 *(4x+1)

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