04-04-2018
Mathematics

contestada

E = [1 2] A = [3 0]
[2 -1]

E 1 2 A 3 0 2 1 class=

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sqdancefan sqdancefan

06-04-2018

You know the factor of 2 will make the result have even numbers. Thus C and D are immediately eliminated. To tell whether the answer is A or B, you only need to find the second number.
.. 2*(1*0 +2*(-1)) = -4

The appropriate selection is ...

B. [14 -4]

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