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27.06.2019 •
Mathematics
Which subtraction expression has the difference 1 + 4i? (–2 + 6i) – (1 – 2i) (–2 + 6i) – (–1 – 2i) (3 + 5i) – (2 – i) (3 + 5i) – (2 + i)
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Ответ:
(3 + 5i) – (2 + i)
Step-by-step explanation:
(–2 + 6i) – (1 – 2i)
The real parts -2-1 = -3
The imaginary parts 6i--2i = 6i+2i = 8i
(–2 + 6i) – (–1 – 2i)
The real parts -2 +1 = -1
The imaginary parts 6i --2i = 6i+2i =8i
(3 + 5i) – (2 – i)
The real parts 3-2 =1
The imaginary parts = 5i --i = 5i+i = 6i
(3 + 5i) – (2 + i)
The real parts 3-2 =1
The imaginary parts 5i -i = 4i
Ответ:
M1=50
M2=130
Step-by-step explanation:
just did the assignment