Imaginary Numbers
Write the following numbers without using $i$.
- $i=\sqrt{-1}$
- $i^2=-1$
- $i^3=-\sqrt{-1}$
- $i^4=1$
- $i^5=\sqrt{-1}$
- $4i^3=-4\sqrt{-1}$
- $6i^9=6\sqrt{-1}$
- $8i^{12}=8$
- $2i^2=-2$
- $5i^3=-5\sqrt{-1}$
- $7i^6=-7$
- $11i^9=11\sqrt{-1}$
- $21i^{14}=-21$
- $56i^{16}=56$
- $7i^{20}=7$
- $9i^{33}=9\sqrt{-1}$
- $3i^{32}=3$
- $4i^{30}=-4$
- $(5i^2)(6i^2)=30i^4=30$
- $(7i^3)(8i^7)=56i^{10}=-56$