How do you add #(1+8i)+(4-i)# in trigonometric form?
1 Answer
Feb 14, 2016
5 + 7i
Explanation:
if (a + bi) and (c + di) are 2 complex numbers. To add/subtract them add subtract the real terms together and similarly for the imaginary terms
hence a + bi + c + di = (a + c ) + (b + d )i
here: 1 + 8i +4 - i = (1+4) + (8-1)i = 5 + 7i
