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Evaluate the expression 4+√−9 and write the result in the form a+bi
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3 votes
Evaluate the expression 4+√−9 and write the result in the form a+bi

User Thomas Segato
by
3.9k points

2 Answers

2 votes

Answer:

Explanation:

4+√(-9) = 4 + √9√(-1)

= 4 + 3i

User Michael Nesterenko
by
4.1k points
5 votes

Answer:

4 + 3i

Explanation:

i = sqrt(-1)

sqrt(-9) = 3 * sqrt(-1) = 3i

The 4 remains the same

4 + 3i

User Joe Krill
by
4.9k points
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