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January 26, 2015

January 26, 2015

Posted by **anonymous** on Wednesday, October 14, 2009 at 7:51pm.

a. If a line tangent to the cubic at point P is parallel to the line tangent to the parabola at point Q, find the value of c where c>0.

- math -
**MathMate**, Wednesday, October 14, 2009 at 8:57pmFind the derivative fc(x) of the cubic, and fp(x) of the parabola.

By equating fc(x) and fp(x), we can find the value of x for which their tangents have the same slopes.

If I am not mistaken, c=1.

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