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December 9, 2016
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maths
Posted by
ashely
on
Saturday, February 11, 2012
at 1:56pm.
d^2y/dx^2+4dy/dx+4y=4cosx+3sinx
maths -
Steve
, Saturday, February 11, 2012 at 5:51pm
y = c1*e^-2x + c2*x*e^-2x + sin(x)
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