If A is a skew-symmetric matrix of order n , and C is a column matrix of order n × 1 , then {

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3 and 4 .Determinants and Matrices

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If $A $ is a skew-symmetric matrix of order $ n$, and $ C$ is a column matrix of order $n \times 1$, then ${C^T}AC$ is

A

A Identity matrix of order $ n$

B

A unit matrix of order one

C

A zero matrix of order one

D

None of these

Solution

(c)It is obvious.

Standard 12

Mathematics

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