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meriva
4 years ago
8

Urgent Help math question!

Mathematics
1 answer:
Stella [2.4K]4 years ago
7 0
Answer: Choice A

This is a 3 by 1 matrix, which can be written "3 x 1 matrix". 

There are 3 rows and 1 column. The number of rows is listed first. 
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Answer:

A and C.

Step-by-step explanation:

We add the real part and the imaginary part separately.

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= -3 + 13 - 4i + i

= 10 - 3i.

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