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September 15, 2014

September 15, 2014

Posted by **jon** on Saturday, November 21, 2009 at 12:52pm.

- physics -
**bobpursley**, Saturday, November 21, 2009 at 12:57pmYou use your calculus.

dU/dx, set to zero, solve for x

I dont know where the 19 goes, but take the derivative, set to zero

remember d/dx (uv)= vdu/dx + u dv/dx

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