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Mathematics
Problem
The lemniscate defined by
r
2
=
4
cos
(
2
θ
)
r^{2} = 4\cos(2\theta)
r
2
=
4
cos
(
2
θ
)
consists of two symmetric loops. What is the total area enclosed by the entire curve? a)
2
π
2\pi
2
π
b)
4
4
4
c)
8
8
8
d)
2
2
2
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