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Improper integral

19 practice questionsIntegral CalculusStep-by-step solutions

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1

Evaluate ∫01dxx\displaystyle\int_0^1 \frac{dx}{x} (integrand unbounded as x→0+x\to0^+).

A.Diverges (no finite value)
B.00
C.11
D.−∞-\infty, but treated as 00 by symmetry
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2

Evaluate ∫0∞e−x dx\displaystyle\int_0^\infty e^{-x}\,dx.

A.11
B.00
C.ee
D.Diverges
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3

Evaluate ∫01dxx\displaystyle\int_0^1 \frac{dx}{\sqrt x} (the integrand is unbounded as x→0+x\to0^+).

A.22
B.Diverges
C.12\dfrac12
D.11
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