CBSE Class 11-science Answered
Complex Numbers
Asked by | 16 Sep, 2009, 01:34: PM
Expert Answer
A complex number z = a + bi, it's complex conjugate z* = a - bi.
Using this statement, we find
-3 = x2 + y
and x2y = -4
y = -4/x2
-3 = x2 -4/x2
x4 + 3x2 -4 = 0
This is a quadratic equation in x2
x2 = [-3 ± 
(9 + 16)]/2
x2 = [-3 ± 5]/2
Since x has to be real value, x = ±1
and y = -4/x2 = -4
Regards,
Team,
TopperLearning.
Answered by | 16 Sep, 2009, 02:49: PM
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