kat3lynx kat3lynx
  • 24-08-2021
  • Mathematics
contestada

Which matrix multiplication is possible?
o [o 3]-[1 -4
o
:I::
T:
11:40
30
미
1
4

Which matrix multiplication is possible o o 31 4 o I T 1140 30 미 1 4 class=
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caylus
caylus caylus
  • 24-08-2021

Answer: D

Step-by-step explanation:

dim A=(a,b), dim B=(c,d), in order to multiply, c=b

1) dim A=(1,2) , dim B=(1,2) but 2≠1

2) dim A=(2,1) , dim B=(2,2) but 1≠2

3) dim A=(2,2) , dim B=(1,2) but 2≠1

4) dim A=(2,1) , dim B=(1,2) 1=1: result (2,2)

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