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Integrals
hard
0:00.0
Evaluate
∫
1
∞
d
x
x
2
\int_1^{\infty} \frac{dx}{x^2}
∫
1
∞
x
2
d
x
.
A
0
0
0
B
1
1
1
C
∞
\infty
∞
D
2
2
2
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