itsdoctorbear itsdoctorbear

07-07-2019
Mathematics

contestada

What is the sum of the complex numbers below?
(5+7i)+(-2+6i)
A. -3 +13i
B. 3+13i
C. -3-13i
D. 3-13i

Respuesta :

jimrgrant1 jimrgrant1

07-07-2019

Answer:

B

Step-by-step explanation:

Given

(5 + 7i) + (- 2 + 6i ) ← remove parenthesis and collect like terms

= 5 + 7i - 2 + 6i

= 3 + 13i → B

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fvosburg02 fvosburg02

07-07-2019

Answer:

The answer is B. 3+13i

Step-by-step explanation:

1. (5+7i)+(-2+6i)

Remove parentheses

2. 5+7i-2+6i

Subtract

Collect the like terms

3. 5-2+7i+6i

4. 3+13i

Hope this helps!!!

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