b>0
If z = a +ib and 1=1 = Va?
|2+b?
then Va+ib is
Answers
Answered by
0
Answer:
a+ib
=x+iy
⇒a+ib=(x+iy)
2
=x
2
−y
2
+2ixy
⇒a=x
2
−y
2
,b=2xy
a−ib=x
2
−y
2
−2ixy
=x
2
+(iy)
2
−2ixy
a−ib=(x−iy)
2
∴
a−ib
=x−iy
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Answered by
0
Answer:
Answer
Correct option is
D
Re(z)=
2
z+
z
ˉ
z=a+ib
z
=a−ib
2
z+
z
=
2
a+ib+a−ib
=a=Re(z)
Step-by-step explanation:
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