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📖 generic · 12th TN - English Medium · MATHEMATICS-VOLUME 1 · Page 10question

or det ( ) .Let a ij be the element sitting at the · Part 3

Chapter 3: Chapter 1 · MATHEMATICS-VOLUME 1

A = and so A A A O n adj adj where O n denotes zero matrix of order n . Example . If A = , verify that A A A A I adj adj We find that | A = - - By the definition of adjoint, we get adj A = −− −− −− −− T So, we get adj − I A I , Similarly, we get adj A A = I A I . Hence, A adj = ( adj A A A I

Related topics

1.1 Introduction→Learning Objectives→1.2 Inverse of a Non-Singular Square Matrix→1.2.1 Adjoint of a Square Matrix→or det ( ) .Let a ij be the element sitting at the→

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