diff-equation

Question: The solution of $\frac{dy}{dx}={{2}^{y-x}}$ is

1) ${{2}^{x}}+{{2}^{y}}=c$

2) ${{2}^{x}}-{{2}^{y}}=c$

3) $\frac{1}{{{2}^{x}}}-\frac{1}{{{2}^{y}}}=c$

4) $x+y=c$

Solution:

Explanation: No Explanation

Variable separable type differential equations

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