How do you simplify #i-(-9+2i) #?
1 Answer
Mar 25, 2016
9 - i
Explanation:
First step is to remove bracket.
hence : i + 9 - 2i
When adding/subtracting complex numbers . Add/Subtract the real parts together and similarly for imaginary parts.
Thus i +9 - 2i = 9 + i(1 - 2 ) = 9 - i