If the function \[f(x)=\left\{ \begin{align} & {{(\cos x)}^{1/x}},\ x\ne 0 \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,k,\,x=0 \\ \end{align} \right.\]is continuous at \[x=0\], then the value of k is [Kurukshetra CEE 1996]

If the function \[f(x)=\left\{ \begin{align} & {{(\cos x)}^{1/x}},\

1.	If the function \[f(x)=\left\{ \begin{align} & {{(\cos x)}^{1/x}},\ x\ne 0 \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,k,\,x=0 \\ \end{align} \right.\]is continuous at \[x=0\], then the value of k is [Kurukshetra CEE 1996]
A.	1
B.	?1
C.	0
D.	e
Answer» B. ?1

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If the function \[f(x)=\left\{ \begin{align} & {{(\cos x)}^{1/x}},\ x\ne 0 \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,k,\,x=0 \\ \end{align} \right.\]is continuous at \[x=0\], then the value of k is [Kurukshetra CEE 1996]

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