Friday

April 18, 2014

April 18, 2014

Posted by **winston** on Friday, December 31, 2010 at 6:31pm.

- calculus -
**Damon**, Friday, December 31, 2010 at 7:24pm2x dx + x dy + y dx = 0

x dy = -(2x+y) dy

dy/dx = - x/(2x+y)

when x = 2, y = (10-x^2)/x = 3

so

-2/(4+3) = -2/7

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