definite-integral

Question: $\int_{0}^{\pi /4}{{}}\sec x\log (\sec x+\tan x)\,dx=$

1) $\frac{1}{2}{{[\log (1+\sqrt{2})]}^{2}}$

2) ${{[\log (1+\sqrt{2})]}^{2}}$

3) $\frac{1}{2}{{[\log (\sqrt{2}-1)]}^{2}}$

4) $\frac{1}{2}{{[\log (\sqrt{2}-1)]}^{2}}$

Solution:

Explanation: No Explanation

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