Sum
If `3"A" - "B" = [(5,0),(1,1)] and "B" = [(4,3),(2,5)]`, then find the martix A.
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Solution
`3"A" - "B" = [(5,0),(1,1)]`
We need to calculate A.
`3"A" = [(5,0),(1,1)] + "B"`
`"B" = [(4,3),(2,5)]`
`3"A" = [(9,3),(3,6)]`
`"A" = (1)/(3) [(9,3),(3,6)]`
`"A" = [(3,1),(1,2)]`
Concept: Introduction of Operations on Matrices
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