∣ ∣ ∣ ∣ 0 a − b − a 0 c b − c 0 ∣ ∣ ∣ ∣ = Options: A . &nbsp-2abc B . &nbspabc C . &nbsp0 D . &nbspa2+b2+c2

Answer: Option C : C ∣ ∣ ∣ ∣ 0 a − b − a 0 c b − c 0 ∣ ∣ ∣ ∣ = 0 (Since value of determinant of skew-symmetric matrix of odd orders is 0).

∣∣ ∣∣0a−b−a0cb−c0∣Ȣ

Question

∣ ∣∣ ∣ \begin{matrix} 0 & a & - b - a & 0 & c b & - c & 0 \end{matrix} ∣ ∣∣ ∣ =

Options:

A . -2abc

B . abc

C . 0

D . a2+b2+c2

Answer: Option C
:
C

∣ ∣∣ ∣ \begin{matrix} 0 & a & - b - a & 0 & c b & - c & 0 \end{matrix} ∣ ∣∣ ∣ = 0

(Since value of determinant of skew-symmetric matrix of odd orders is 0).

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