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Mathematics
Problem
Evaluate the improper integral
∫
1
∞
1
x
3
d
x
\displaystyle \int_{1}^{\infty} \frac{1}{x^{3}}\,dx
∫
1
∞
x
3
1
d
x
. a)
1
1
1
b)
1
3
\dfrac{1}{3}
3
1
c)
1
2
\dfrac{1}{2}
2
1
d) The integral diverges
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