The particular solution of the differential equation $\frac{dy}{dx}=e^{(3x+4y)},y(0)=0$ is :
1). $4e^{3x}+3e^{-4y}=7$
2). $e^{3x}+3e^{-4y}=4$
3). $4e^{3x}+3e^{4y}=7$
4). $4e^{3x}-e^{-4y}=3$
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