1.

\[\int{\cos ({{\log }_{e}}x)\,dx}\] is equal to        [MP PET 2003]

A.                 \[\frac{1}{2}x\{\cos ({{\log }_{e}}x)+\sin ({{\log }_{e}}x)\}\]
B.                 \[x\{\cos ({{\log }_{e}}x)+\sin ({{\log }_{e}}x)\}\]
C.                 \[\frac{1}{2}x\{\cos ({{\log }_{e}}x)-\sin ({{\log }_{e}}x)\}\]
D.                 \[x\{\cos ({{\log }_{e}}x)-\sin ({{\log }_{e}}x)\}\]
Answer» B.                 \[x\{\cos ({{\log }_{e}}x)+\sin ({{\log }_{e}}x)\}\]


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