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Mathematics
Mathematics
Problem
Determine the exact length of the curve
y
=
1
−
x
2
y=\sqrt{1-x^{2}}
y
=
1
−
x
2
from
x
=
−
1
2
x=-\tfrac12
x
=
−
2
1
to
x
=
1
2
x=\tfrac12
x
=
2
1
.
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