estron7 estron7

27-04-2017
Mathematics

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If possible, find (a) A - B, (b) 3A, (c) 3A - 2B, and (d) AB in these two rows. Thanks a lot.

If possible find a A B b 3A c 3A 2B and d AB in these two rows Thanks a lot class=

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27-04-2017

wow matrixes gg
a)[ 1 1 4 ]
[-7 -6 -1 ]
[ 0 4 0 ]

b)[ 15 12 12 ]
[-12 -12 0 ]
[3 6 0 ]

c)[ 7 4 12 ]
[ -18 -16 -2 ]
[ 1 10 0 ]

d) I forgot how to do d lol so heres all I got.

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