This question was asked in Ex 3.1, 1
If A=[3 2 -1  ,B=[-3 -1 0  and X=A+B, then find X. 
             2 -2 0         2 1 3
             1 3 1]           4 -1 2] 
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Sirajuddin Siraj
Sept. 6, 2021, 6:47 p.m.