यदि फलन \(f\left( x \right) = \left\{ \begin{array}{l} {\left( {\cos x} \right)^{1/x}},x \ne 0\,\\ k,x = 0 \end{array} \right.\) , x = 0 पर संतत है, तो k का मान क्या है?

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1
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e

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