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April 20, 2014

April 20, 2014

Posted by **Anonymous** on Monday, November 19, 2012 at 10:38pm.

- math -
**Reiny**, Monday, November 19, 2012 at 11:06pmxy = -2

x dy/dt + y dx/dt = 0

using the given:

when x = 1, y = -2

1(4) + (-2)(dx/dt) = 0

dx/dt = -4/-2 = 2

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