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Let A=[{:(,2,1),(,0,-2):}], B=[{:(,4,1),...

Let `A=[{:(,2,1),(,0,-2):}], B=[{:(,4,1),(,-3,-2):}] and C=[{:(,-3,2),(,-1,4):}]`. Find `A^2+AC-5B`.

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The correct Answer is:
`[(-23,3),(17,6)]`
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