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Mathematics
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ydd
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ydd are not my initials. They instead stand for something

The squirrel photo is not mine, it was taken by Bill Capistran of Lynnfield, MA. I like squirrels though, and they have overtaken my bird feeder (it is now mostly a squirrel feeder).

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Top posts
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5
How many 3 digit numbers are there which are divisible by 2,6and 10 but not divisible by 13,29?
Nov 3, 2023
answer
2
Equation exercise involving nth-roots in Serge Lang's Basic Mathematics.
Aug 7, 2023
answer
1
Showing $\int_0^1 x(1-x)^{2t} \mathrm{d}x$ concentrates around $\frac{1}{2t}$
Jun 21, 2023
answer
1
Prove the definite integration using infinite series
Aug 22, 2023
question
0
Can you fold a square into a rectangular prism with the same surface area as the original square without cutting it?
May 27
answer
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Finding a real closed-form solution to a tricky transcendental equation
Jul 25, 2023
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15
Closed form of an integral using Mathematica or otherwise
10
Create sublists whose totals exceed a certain threshold and that are as short as possible
10
Gradient fill on the top surface of an annulus
8
Cluster defects in microscope image
8
Select from list elements greater than next element