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Hatcher-Topology-of-Numbers
· Problem 4.1.2
Quadratic Forms
Mathematics — Algebraic Topology · topograph
Problem
Do the same for the form
Q
(
x
,
y
)
=
2
x
2
+
x
y
+
2
y
2
Q(x,y) = 2x^2 + xy + 2y^2
Q
(
x
,
y
)
=
2
x
2
+
x
y
+
2
y
2
, in this case displaying all values
Q
(
x
,
y
)
≤
40
Q(x,y) \leq 40
Q
(
x
,
y
)
≤
40
in the topograph.
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