Question
Mathematics Question on complex numbers
Let a=2-3i be a root of the equation z2-4z+k=0 , where k is a real number. If β is the other root, then the value of α2 +β2 is
A
26
B
-5
C
5
D
10
E
-10
Answer
-10
Explanation
Solution
The correct option is (E): -10