Advance math matrix question
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Advance math matrix question

[From: ] [author: ] [Date: 13-03-06] [Hit: ]
..[1 .?........
if A = [2 3][1 4] and B = [ 0 -2][1 5], find AB
i got this answer the last time i posted this question and i just want to confirm that it is correct...it seems quite logical to me

A = [2 3]
......[1 4]

B = [0 -2]
......[1 .5]

? If so then the product of the two 2x2 matrices is:

AB = [2 3] [0 -2] = [(2(0) + 3(1)) (2(-2) + 3(5))]
........[1 4] [1 .5]....[(1(0) + 4(1)) (1(-2) + 4(5))]

AB = [3 11]
........[4 18] is this the final answer or do i solve this





e5q37

-
your answer is correct.
1
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