Find $(2+\sqrt{5} i)^{3}$ Using De Moivre's Theorem $-0.81+0.58 i$ B) $-22+15.65 i$ C) $0.18+0.98 i$

question 17

Multiple Choice

Find $(2+\sqrt{5} i) ^{3}$ using De Moivre's theorem.

• A) \(-0.81+0.58 i\)
• B) \(-22+15.65 i\)
• C) \(0.18+0.98 i\)
• D) \(0.54+2.95 i\)
• E) \(15.65-22 i\)

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Definitions:

Visual Acuity

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The positive progress or improvement in skills, abilities, or achievements.

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The psychological phenomenon where people perceive sensory information as stable and unchanging despite variations in the physical stimuli.