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What is the additive inverse of 21i

User Shadman
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2 Answers

3 votes

Answer:

-21

Explanation:

the additive inverse is the same number but negative

User Mustaq
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8.6k points
2 votes

Answer:

- 21i

Explanation:

The additive inverse is the number added to 21i to give zero

The additive inverse is - 21i

Since 21i + (- 21i) = 21i - 21i = 0

User Joseph Smith
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