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Putnam
1950 Putnam
A1
Putnam 1950 A1
Putnam 1950 A1
Source:
May 24, 2022
Putnam
Problem Statement
For what values of the ratio
a
/
b
a/b
a
/
b
is the limaçon
r
=
a
−
b
cos
θ
r = a - b \cos \theta
r
=
a
−
b
cos
θ
a convex curve?
(
a
>
b
>
0
)
(a > b > 0)
(
a
>
b
>
0
)
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