Question
Question: The complex number which satisfies the equation z +\(\sqrt{2}\) \| z + 1\| + i = 0 is...
The complex number which satisfies the equation
z +2 | z + 1| + i = 0 is
A
2 + I
B
– 2 + I
C
– 2 – I
D
2 – i
Answer
– 2 – I
Explanation
Solution
Sol. Let z = x + iy Ž x + iy +2| (x + 1) + iy| + i = 0
(x + iy) +2 ((x+1)2+y2) + i = 0
x +2 ((x+1)2+y2) +i(y + 1) = 0 + i0
Comparing y = – 1, x = – 2 so, z = – 2 – i