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3 and 4 .Determinants and Matrices
easy
$\left| {\,\begin{array}{*{20}{c}}{11}&{12}&{13}\\{12}&{13}&{14}\\{13}&{14}&{15}\end{array}\,} \right| = $
A
$1$
B
$0$
C
$-1$
D
$67$
Solution
${C_3} \to {C_3} – {C_2}$ और ${C_2} \to {C_2} – {C_1}$ का उपयोग करें।
Standard 12
Mathematics
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