Practice problem
Is the result of the expression below a purely real or purely imaginary number? −9+8+6i+7+12−9+i+5-9 + 8 + 6i + 7 + 12 - 9 + i + 5−9+8+6i+7+12−9+i+5
Yes; purely real
Yes; purely imaginary
No; it is a complex number
No; not enough information given
Type a concept, like “slope” or “photosynthesis”.