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Byju's Answer
Standard XII
Physics
Introduction
If | z-i |≤...
Question
If
|
z
−
i
|
≤
2
and
z
0
=
13
+
5
i
, then the maximum value of
|
i
z
+
z
0
|
is
A
12
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B
15
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C
13
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D
None of these
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Solution
The correct option is
B
15
|
i
z
+
z
0
|
=
|
i
z
+
1
+
z
0
−
1
|
|
i
z
+
z
0
|
=
∣
∣
i
z
−
i
2
+
z
0
−
1
∣
∣
=
|
i
(
z
−
i
)
+
13
+
5
i
−
1
|
≤
|
i
|
|
z
−
i
|
+
|
12
+
5
i
|
≤
1
×
2
+
13
≤
15
Hence, option B.
Suggest Corrections
0
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