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What is - 4i ^ 19, simplify

What is - 4i ^ 19, simplify
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What is - 4i ^ 19, simplify

User Remento
by
7.9k points

1 Answer

3 votes

Answer:


Explanation:


i =√(-1) \\i^(2)= -1\\\\i^(3)= -i\\\\i^(4)= 1\\\\i^(5)= i\\

the cycle repeats every 4

19/4 = 4.75

16 is divisible by 4 plus three more

thus
i^(19) = -i but you problem has a minus in front so "i"

User Alex Wiese
by
7.5k points
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