Practice problem
What is the imaginary part of i1⋅i3⋅i5⋅i7⋅i9i^1\cdot i^3 \cdot i^5 \cdot i^7 \cdot i^9i1⋅i3⋅i5⋅i7⋅i9?
111
222
333
444
Type a concept, like “slope” or “photosynthesis”.
