Question
$\left| {\,\begin{array}{*{20}{c}}{a - b - c}&{2a}&{2a}\\{2b}&{b - c - a}&{2b}\\{2c}&{2c}&{c - a - b}\end{array}\,} \right| = $
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$( S 1): f ^{\prime}\left(-\frac{3}{2}\right)+ f ^{\prime}\left(-\frac{1}{2}\right)+ f ^{\prime}\left(\frac{1}{2}\right)+ f ^{\prime}\left(\frac{3}{2}\right)=2$
$(S2): \int_{-2}^2 f ( x ) dx =12$ है। तब