3 Find A= 5 2 B =| 3 4 う AB -2 -2 り BA 2.

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A: What mathematical background is needed to understand probability ?

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Q: Evaluate the moment My and My of the region bounded by y = 2x + 1, x + y = 7 and x = 8.

A: evaluate the moment Mx and My of the region bounded by y=2x+1 , x+y=7 , x=8

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