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11 votes
Evaluate (2 minus 5 i) (p + q) (i) when p = 2 and q = 5 i.

29 i

29 i - 20

- 21 i

29

1 Answer

8 votes
(2 - 5i) (2 + 5i) (i)
(4 + 10i - 10i -25) (i)
(4 - 25) (i)
-21i
User Rdrey
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