\[\int_{0}^{\pi /2}{\,\,\,\,\,|\sin x-\cos x|\,dx=}\] [Roorkee 1990; MP PET 2001; UPSEAT 2001]

\[\int_{0}^{\pi /2}{\,\,\,\,\,|\sin x-\cos x|\,dx=}\] [Roorkee 1990; M

1.	\[\int_{0}^{\pi /2}{\,\,\,\,\,\|\sin x-\cos x\|\,dx=}\] [Roorkee 1990; MP PET 2001; UPSEAT 2001]
A.	0
B.	\[2(\sqrt{2}-1)\]
C.	\[\sqrt{2}-1\]
D.	\[2(\sqrt{2}+1)\]
Answer» C. \[\sqrt{2}-1\]

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\[\int_{0}^{\pi /2}{\,\,\,\,\,|\sin x-\cos x|\,dx=}\] [Roorkee 1990; MP PET 2001; UPSEAT 2001]

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