Question

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$\displaystyle \int_{0}^{\infty}\mathrm{e}^{-2\mathrm{x}}(\mathrm{C}\mathrm{o}\mathrm{s}4\mathrm{x}+\mathrm{S}\mathrm{i}\mathrm{n}4\mathrm{x})\mathrm{d}\mathrm{x}=$

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Answer 1

$\bold {\huge {Answer :-}}$

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Therefore,

$\displaystyle \int_{0}^{\infty}\mathrm{e}^{-2\mathrm{x}}(\mathrm{C}\mathrm{o}\mathrm{s}4\mathrm{x}+\mathrm{S}\mathrm{i}\mathrm{n}4\mathrm{x})\mathrm{d}\mathrm{x}=\frac{3}{10}$

Answer 2

Answer:

THE ANSWER IS 3/10............