Integration 3: Improper Integrals Flashcards

1
Q

Define limit of a function at pos infinity from integrals

A
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2
Q

Define limit of a function at neg infinity from integrals

A
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3
Q

If limit at +/- inf exists, then we say

A

Corresponding integral ‘converges’/‘is well defined’/‘exists’

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4
Q

For all a<b

A

If both limits exist

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5
Q
A
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6
Q

Improper integrals

A
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7
Q

Improper Integrals

A
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8
Q

A series is convergent if

A

Sequence of partial sums converges to A

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9
Q

Absolute convergence

A
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10
Q

Relate abs convergence and convergence

A

If a series is abs convergent it is convergent

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11
Q

Prove relation between abs convergence and convergence

A
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12
Q

Relate absolute convergence to absolute integrals

A

Converges

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13
Q
A
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14
Q

Prove

A
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15
Q

Prove

A

(Previous lemma is lim of a function exists if limit of function on series exists)

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16
Q

Requirement for below to converge

A
17
Q

Integral test

A
18
Q

Prove integral test

A