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If y(1) and y(2) are the solutions of th...

If `y_(1)` and `y_(2)` are the solutions of the differential equation `(dy)/(dx)+Py=Q`, where P and Q are functions of `x` alond and `y_(2)=y_(1)z`, then move that `z=1+ce^(-int(Q/y_(1))dx)`, where c is an arbitrary constant.

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The correct Answer is:
`f(x)=(20x)/(119)(4+9x)`
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