JEE Main 202226 Jul, Morning shiftMathematicsMediumLimit, Continuity and Differentiability420× since 2002If the function f(x)={loge(1−x+x2)+loge(1+x+x2)secx−cosx,x∈(−π2,π2)−{0}k,x=0f(x) = \left\{ {\matrix{ {{{{{\log }_e}(1 - x + {x^2}) + {{\log }_e}(1 + x + {x^2})} \over {\sec x - \cos x}}} & , & {x \in \left( {{{ - \pi } \over 2},{\pi \over 2}} \right) - \{ 0\} } \cr k & , & {x = 0} \cr } } \right.f(x)={secx−cosxloge(1−x+x2)+loge(1+x+x2)k,,x∈(2−π,2π)−{0}x=0 is continuous at x = 0, then k is equal to:AOption A. 1BOption B. −-−1COption C. eDOption D. 0CheckSkip · show solution