Latest exam Aptitude Question SOLUTION: use the facts: A=|a b| |c d|, then A^-1=1/ad-bc|d -b| |-c a| to find the inverse of the matrix, if possible. Check that AA^-1=I(base 2) and A^-1A=I

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(#M40077580) EXAM Numerical Ability question Keep an EYE

use the facts:
A=|a b|
|c d|,
then

A^-1=1/ad-bc|d -b|
|-c a| to find the inverse of the matrix, if possible. Check that AA^-1=I(base 2) and A^-1A=I(base2

Asked In exam (9 years ago)

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