Write in Terms of I $\sqrt { - 81 }$ A) $- 9 \mathrm { i }$

question 327

Multiple Choice

Write in terms of i.
- $\sqrt { - 81 }$

• A) \(- 9 \mathrm { i }\)
• B) \(- \mathrm { i } \sqrt { 9 }\)
• C) \(9 \mathrm { i }\)
• D) \(\pm 9\)

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