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Alvin L. has helped students
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Summary of contribution activity by day
Longest streak: 24 days
22 thank you notes
Someone from Kellyville, Australia
thanx
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1 week ago
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Someone from Gaborone, Botswana
well done
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1 month ago
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Someone from San Francisco, United States
Thank so very much:)
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Alvin L.
Alvin L. joined Socratic 6 months ago. Alvin L. hasn't written a biography yet.
25K karma
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Activity
264 Answers
71 Edits
3 Asked
@alvin-l-2
Alvin L.
wrote an answer to
What is #int (sin x)/(cos^2x + 1) dx #?
.
2 weeks ago
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@alvin-l-2
Alvin L.
updated
the answer to
Find the values of #x# for which the following series is convergent?
.
1 month ago
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seol liked this.
@alvin-l-2
Alvin L.
commented
Oops, you're right.
on
Find the values of #x# for which the following series is convergent?
1 month ago
·
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@alvin-l-2
Alvin L.
wrote an answer to
Find the values of #x# for which the following series is convergent?
.
1 month ago
·
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seol liked this.
@alvin-l-2
Alvin L.
wrote an answer to
How do you solve #6t ^ { 2} = - 4t#?
.
1 month ago
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@alvin-l-2
Alvin L.
wrote an answer to
What is a solution to the differential equation #dy/dt=e^t(y-1)^2#?
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1 month ago
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@alvin-l-2
Alvin L.
wrote an answer to
How to integrate #int e^x sinx cosx dx# ?
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1 month ago
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@alvin-l-2
Alvin L.
wrote an answer to
Whatâ€™s 8 over 1000 as a percentage?
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1 month ago
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@alvin-l-2
Alvin L.
wrote an answer to
Find all solutions on the interval [0, 2#pi#)? #2sin(2x)-1=0#
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1 month ago
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@alvin-l-2
Alvin L.
wrote an answer to
How do you solve #3v ^ { 2} - 24v = 0#?
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1 month ago
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