Simplify:
ſ x² - y2 + x x² + y2 – y
√x² + y² + y - x-√x² - y2
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0
Answer:
(
y
x
+
x
y
+
m
−i
)
2
=
y
2
x
2
+
x
2
y
2
−
m
2
1
+2−
m
2i
(
y
x
+
x
y
)
Comparing the terms with
y
2
x
2
+
x
2
y
2
+
2i
1
(
y
x
+
x
y
)+
16
31
,
m
−2i
=
2i
1
and 2−
m
2
1
=
16
31
.
Hence, m=4.
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