# Ques 5 calculate the determinant of A?

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Jim G.
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Mar 8, 2018

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#"given a 2 by 2 matrix"#

#A=((a,b),(c,d))#

#"then the determinant of A is "ad-bc#

#A=((2,-9),(5,3))#

#rArrad-bc=(2xx3)-(-9xx5)=51#

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sjc
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Mar 8, 2018

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if

we have

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