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August 28, 2014

August 28, 2014

Posted by **COFFEE** on Tuesday, June 26, 2007 at 1:17am.

y = k*(e^-x)

---------------

so k = y/(e^-x)

differentiating we get:

1 = -k(e^-x)*(dx/dy)

1/(dx/dy) = -k(e^-x)

dy/dx = -k(e^-x)...substituting for k:

dy/dx = -(y/(e^-x))*(e^-x)

dy/dx = -y

Integral(1/=y)dy = Integral dx

-ln(y) = x + C

x = -ln(y) + C

Is this correct? Thanks.

Yes, correct.

Yes, correct.

Thanks for checking!!!

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