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October 30, 2014

October 30, 2014

Posted by **Craig** on Wednesday, November 12, 2008 at 11:27pm.

dy/dx=(4x-2xy)/(x^2+y^2+1)

a) write an equation of each horizontal tangent line to the curve

b) the line through the origin with the slope .1 is tangent to the curve at P. Find x and y of point P.

-when plugging y as 2 in original, it doesn't work. what did i do wrong?

- Need help fast on calc -
**drwls**, Wednesday, November 12, 2008 at 11:40pmI do not agree with your equation for dy/dx. You appear to have done the implicit differdntiation incorrectly

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