De discriminant van de vierkantsvergelijking 2i z2 + 2z − i = 0 (in , z is de onbekende) is |
A. 10 i |
---|---|
B. 12 | |
C. − 28 | |
D. − 4 | |
E. 4 + 8i |
[ 5-5043 - op net sinds 9.2.13-(E)-27.10.2023 ]
The discriminant of the quadratic equation 2i z2 + 2z − i = 0 is |
A. 10i |
---|---|
B. 12 | |
C. − 28 | |
D. − 4 | |
E. 4+8i |