Can anyone explain to me how to compare 3x3 matrices...

The picture of the two matrices is attached

Thanks to anyone who can help?

Question

Can anyone explain to me how to compare 3x3 matrices...

The picture  of the two matrices is attached

Thanks to anyone who can help?

anonymous · Answer

attachment

amistre64 · Answer

first, construct E and F,  then compare the elements from 21, and 23

cwrw238 · Answer

To add matrices you just add the individual numbers
same with subtraction

amistre64 · Answer

e21 = c21 + d21

f23 = c23 - d23

cwrw238 · Answer

well subtract in the latter case!!

amistre64 · Answer

AND ... there are no 3x3 matrices in the question as posted :)

anonymous · Answer

I'm so confused :(

anonymous · Answer

Oh I just saw the formula you gave me. That helps! Thank you

cwrw238 · Answer

these are 3*2 matrices    3 columns , 2 rows

anonymous · Answer

Yeah, that was a typo. Sorry about that!

anonymous · Answer

It's -6

anonymous · Answer

oh sorry, wrong problem! i'm working two at one time.

amistre64 · Answer

c(row 2 col 1) = -3
d(row 2 col 1) = -8
              e21 = -11


c(row 2 col 3) = -1
d(row 2 col 3) = 9
              f23 = -10

amistre64 · Answer

:)

anonymous · Answer

So column A! Thank you so much

anonymous · Answer

No wait, it's column B.