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Integrals
hard
0:00.0
Calculate
∫
0
1
x
1
−
x
2
d
x
\int_0^1 x \sqrt{1-x^2} dx
∫
0
1
x
1
−
x
2
d
x
.
A
1
/
4
1/4
1/4
B
1
/
3
1/3
1/3
C
2
/
3
2/3
2/3
D
1
/
2
1/2
1/2
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