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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