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IfA = 0 3 1 , B = 1 3 2 , thenshowthat 1 1 3 1 1 2 det ( A B ) =

IfA

= 0 3 1,

= 1 3 2,

thenshowthat

1 1 3 1 1 2

det

(

) =

det

(

)

det

(

) 10 .

Use det

(

) =

det

(

)

det

(

)

to show that det

(

1) = 1 /

det

(

)

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