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Q. 755.0( 1 Vote )

Fill in the blank

Class 12th Mathematics - Exemplar 3. Matrices

Answer :

A² is a symmetric matrix.

Given: A’=-A

⇒ (A²)’=(AA)’=A’A’

⇒ A’A’=(-A)(-A)=A²

⇒ (A²)’=A² (symmetric matrix)

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