1.

\[\int_{{}}^{{}}{[\sin (\log x)+\cos (\log x)]}\ dx=\]           [MP PET 1991]

A.                 \[x\cos (\log x)+c\]
B.                 \[\sin (\log x)+c\]
C.                 \[\cos (\log x)+c\]
D.                 \[x\sin (\log x)+c\]
Answer» E.


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