Which pair of complex factors results in a real number product? 15(–15i) 3i(1 – 3i) (8 + 20i)(–8 – 20i) (4 + 7i)(4 – 7i)
2 answers:
Answer:
(4 + 7i)(4 – 7i)
Step-by-step explanation:
This pair will produce a real answer because they are complex conjugates.
Complex conjugates ( a+bi) (a-bi) when multiplied together form a real number ( a^2 + b^2)
Answer:
D. (4+7i)(4-7i)
Step-by-step explanation:
You might be interested in
Answer: 4
Step-by-step explanation: Since the total number of games played in the graph is 12, if you half that and get six, you half the total number of wins as well and get 4. :]
Answer: a
Step-by-step explanation:
Answer:
The question is not complete or you forgot to attatch the image. Repost your question
Answer:
7 3/4
Step-by-step explanation:
S.F. of 9/24 = 3/8
