3 and 4 .Determinants and Matrices
easy

$\left| {\begin{array}{*{20}{c}}0&a&{ - b}\\{ - a}&0&c\\b&{ - c}&0\end{array}} \right| = $

A

$ - 2abc$

B

$abc$

C

$0$

D

${a^2} + {b^2} + {c^2}$

Solution

(c)$\left| {\,\begin{array}{*{20}{c}}0&a&{ – b}\\{ – a}&0&c\\b&{ – c}&0\end{array}\,} \right| = 0$ (चूंकि विषम कोटि के विषम सममित सारणिक का मान $0$ होता है।).

Standard 12
Mathematics

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