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Mathematics
Mathematics
Problem
If
P
P
P
moves such that
∣
Re
(
z
)
∣
+
∣
Im
(
z
)
∣
=
a
(
a
∈
R
+
)
|\operatorname{Re}(z)| + |\operatorname{Im}(z)| = a \quad (a \in \mathbb{R}^+)
∣
Re
(
z
)
∣
+
∣
Im
(
z
)
∣
=
a
(
a
∈
R
+
)
The locus of
P
P
P
is a. a parallelogram which is not a rhombus b. a rhombus which is not a square c. a rectangle which is not a square d. a square
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