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What is equivalent to 13 - √-18? 4 13 - 9i 13 + 9i 22
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2 votes
What is equivalent to 13 - √-18?

4
13 - 9i
13 + 9i
22

User Soheildb
by
8.6k points

1 Answer

3 votes
√-1=i

13-√-18=
13-√(-1)(18)=
13-(√-1)(√18)=
13-(i)(3√2)=
13-3i√2
User David Ferreira
by
8.0k points
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