Mark against the correct answer in each of the following:
Question:

Mark $(\sqrt{)}$ against the correct answer in each of the following:

$\int \sin (\log x) d x=?$

A. $\frac{1}{2} x \sin \log x+\frac{1}{2} x \cos (\log x)+C$

B. $\frac{1}{2} x \sin \log x-\frac{1}{2} x \cos (\log x)+C$

C. $-\frac{1}{2} x \sin \log x+\frac{1}{2} x \cos (\log x)+C$

D. none of these

Solution:

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