populations x(t) and y(t) of two species interact according to the first order system of equations as follow :
dx/dt = 3x + y
dy/dt = 2x+ 2y
eliminate y to obtain a second order differential equation for x as a function of time t.
hence find x(t) and use it to find y(t).
differential equation (ii)
2009-02-08 11:46 am
回答 (1)
2009-02-08 4:38 pm
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