diff-equation

Question: The solution of the differential equation $\frac{dy}{dx}={{e}^{x}}+\cos x+x+\tan x$is

1) $y={{e}^{x}}+\sin x+\frac{{{x}^{2}}}{2}+\log \cos x+c$

2) $y={{e}^{x}}+\sin x+\frac{{{x}^{2}}}{2}+\log \sec x+c$

3) $y={{e}^{x}}-\sin x+\frac{{{x}^{2}}}{2}+\log \cos x+c$

4) $y={{e}^{x}}-\sin x+\frac{{{x}^{2}}}{2}+\log \sec x+c$

Solution:

Explanation: No Explanation

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