A few days ago
Anonymous

How do you convert i^15 to a+bi form?

How do you convert i^15 to a+bi form?

Top 2 Answers
A few days ago
partha

Favorite Answer

you know that i^4 =1 hence i^15=i^3=i^2.i=-i.
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A few days ago
A G
First you must understand that i^2= -1

then using laws of exponents….

i^15 = i x i^14

= i x (i^2)^7

= i x (-1)^7

= i x (-1)

= -i

therefore i^15 = -i

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