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If A=[{:(,3,7),(,2,4):}], B=[{:(,0,2),(,...

If `A=[{:(,3,7),(,2,4):}], B=[{:(,0,2),(,5,3):}] and C=[{:(,1,-5),(,-4,6):}]` Find AB-5C.

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The correct Answer is:
`[(30,52),(40,-14)]`
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ICSE-MATHEMATICS- 2015-SECTION- B
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