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Which complex number has an absolute value of 5? –3 4i 2 3i 7 – 2i 9 4i

Which complex number has an absolute value of 5? –3 4i 2 3i 7 – 2i 9 4i
37.0k views
1 vote
Which complex number has an absolute value of 5?

–3 4i

2 3i

7 – 2i

9 4i

User Michal Gallovic
by
7.8k points

2 Answers

2 votes
First answer is correct. You have to calculate the module of this complex munber, which is: sqrt((-3)^2+4^2)=5.

User Jorge Sanchez
by
9.5k points
4 votes

A is correct on edge

User Fernando Santiago
by
8.3k points
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