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What is the sum of the square root of 2 and the square root of -18? O 42 0 421 O 52 O 5ſi

What is the sum of the square root of 2 and the square root of -18? O 42 0 421 O 52 O 5ſi
asked 126k views
3 votes
What is the sum of the square root of 2 and the square root of -18?

O 42
0 421
O 52
O 5ſi

asked
User Chase McCoy
by
7.7k points

1 Answer

3 votes

Answer:

4 ·2i

Explanation:

√2 + √-18

√2 + √9·-2

√2 + 3√-2

(3 +1 )(√2 ·√-2) = 2i

4 · 2i

answered
User Cliff Helsel
by
8.2k points
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