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Matrices and Determinants question

2014 · Shift 0 · Q31

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JEE Main
Mathematics
Matrices and Determinants
2014 · Shift 0 · Q31

Matrices and Determinants question

2014 · Shift 0 · Q31

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1

If

A

is a

3 \times 3

non-singular matrix such that

AA'=A'A

and

B = {A^{ - 1}}A',

then

BB'

equals:

A
${B^{ - 1}}$
B
$\left( {{B^{ - 1}}} \right)'$
C
$I+B$
D
$I$

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