The set of values of k for which \[{{x}^{2}}-kx+{{\sin }^{-1}}(sin4)>0\] for all real x is

\[(-\infty ,-2)\cup (2,\infty )\]

The set of values of k for which \[{{x}^{2}}-kx+{{\sin }^{-1}}(sin4)>0

1.	The set of values of k for which \[{{x}^{2}}-kx+{{\sin }^{-1}}(sin4)>0\] for all real x is
A.	\[\phi \]
B.	\[(-2,2)\]
C.	\[R\]
D.	\[(-\infty ,-2)\cup (2,\infty )\]
Answer» B. \[(-2,2)\]

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The set of values of k for which \[{{x}^{2}}-kx+{{\sin }^{-1}}(sin4)>0\] for all real x is

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