The value of ?a? in order that \[f(x)=\sqrt{3}\] \[\sin x-\cos x-2ax+b\] decreases for all real values of x, is given by

The value of ?a? in order that \[f(x)=\sqrt{3}\] \[\sin x-\cos x-2ax+b

1.	The value of ?a? in order that \[f(x)=\sqrt{3}\] \[\sin x-\cos x-2ax+b\] decreases for all real values of x, is given by
A.	\[a<1\]
B.	\[a\ge 1\]
C.	\[a\ge \sqrt{2}\]
D.	\[a<\sqrt{2}\]
Answer» C. \[a\ge \sqrt{2}\]

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The value of ?a? in order that \[f(x)=\sqrt{3}\] \[\sin x-\cos x-2ax+b\] decreases for all real values of x, is given by

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