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Mathematics
Mathematics
Problem
If
∣
z
1
∣
=
2
|z_1| = 2
∣
z
1
∣
=
2
,
∣
z
2
∣
=
3
|z_2| = 3
∣
z
2
∣
=
3
,
∣
z
3
∣
=
4
|z_3| = 4
∣
z
3
∣
=
4
and
∣
z
1
+
z
2
+
z
3
∣
=
5
|z_1 + z_2 + z_3| = 5
∣
z
1
+
z
2
+
z
3
∣
=
5
, then
∣
4
z
2
z
3
+
9
z
3
z
1
+
16
z
1
z
2
∣
|4z_2 z_3 + 9z_3 z_1 + 16 z_1 z_2|
∣4
z
2
z
3
+
9
z
3
z
1
+
16
z
1
z
2
∣
is a. 24 b. 60 c. 120 d. 240
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