How do you find the determinant of #|(9,12), (12,16)|#?

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Answer 1 · 2017-01-02T17:35:01

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#|(9,12), (12,16)|#is evaluated by the following rule;

#|(a,b), (c,d)|=ad-bc#

#:.|(9,12), (12,16)|=9xx16-12xx12#

#=144-144=0#