1.

\[\int_{{}}^{{}}{({{\sin }^{-1}}x+{{\cos }^{-1}}x)\ dx=}\] [MP PET 1990]

A.            \[\frac{1}{2}\pi x+c\]
B.            \[x({{\sin }^{-1}}x-{{\cos }^{-1}}x)+c\]
C.            \[x({{\cos }^{-1}}x+{{\sin }^{-1}}x)+c\]
D.            \[\frac{\pi }{2}+x+c\]
Answer» B.            \[x({{\sin }^{-1}}x-{{\cos }^{-1}}x)+c\]


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