Let … be a … matrix Statement - 1 : … Statement - 2 :…

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Matrices and Determinants

JEE Main 2009 · Annual, Paper 1 · Q4516

MathematicsEasy244×since 2002Q4516

Let

A

be a

\,2 \times 2

matrix Statement - 1 :

adj\left( {adj\,A} \right) = A

Statement - 2 :

\left| {adj\,A} \right| = \left| A \right|

JEE Main 2009 · Annual, Paper 1 · Q4516

MathematicsEasy244×since 2002Q4516

Let

A

be a

\,2 \times 2

matrix Statement - 1 :

adj\left( {adj\,A} \right) = A

Statement - 2 :

\left| {adj\,A} \right| = \left| A \right|