given matrix A = 1st row 2 1 0 2nd row 3 1 2 3rd row 1 0 5 a)write matrix 3A plse chk my answer; 1st row 6 3 0 2nd row 9 3 6 3rd row 3 0 15 b)find the det A by expanding by row 1. my ans:-3 plse check for me..
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Originally Posted by Faz given matrix A = 1st row 2 1 0 2nd row 3 1 2 3rd row 1 0 5 a)write matrix 3A plse chk my answer; 1st row 6 3 0 2nd row 9 3 6 3rd row 3 0 15 b)find the det A by expanding by row 1. my ans:-3 plse check for me..
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