Kesslerashley1128 Kesslerashley1128

31-05-2019
Mathematics

contestada

Find the difference of the complex numbers.
(2+81)-(-5-31)
O A. -3+111
O B. -3 + 51
O C. 7+ 51
O D. 7+111

Respuesta :

sqdancefan sqdancefan

10-06-2019

Answer:

D. 7 +11i

Step-by-step explanation:

In many situations, you can treat "i" as though it were a variable. Collect terms in the usual way.

(2 +8i) -(-5-3i) = 2 +8i +5 +3i = (2+5) +(8+3)i

= 7 +11i

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