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18h
revised evaluate $\frac 1{1+\sqrt2+\sqrt3} + \frac 1{1-\sqrt2+\sqrt3} + \frac 1{1+\sqrt2-\sqrt3} + \frac 1{1-\sqrt2-\sqrt3}$
deleted 17 characters in body
18h
revised evaluate $\frac 1{1+\sqrt2+\sqrt3} + \frac 1{1-\sqrt2+\sqrt3} + \frac 1{1+\sqrt2-\sqrt3} + \frac 1{1-\sqrt2-\sqrt3}$
deleted 41 characters in body
Jul
23
revised Logarithmic Integral II
deleted 251 characters in body
Jul
23
revised How to solve $z^3 + \overline z = 0$
added 466 characters in body
Jul
23
revised Simple Logarithms Equation
added 30 characters in body
Jul
13
revised How to remember trig identities?
added 108 characters in body
Jul
8
revised How to remember trig identities?
added 1 character in body
Jul
8
revised How to remember trig identities?
added 439 characters in body
Jul
6
revised Plot of $n$ concentric circles at once?
edited title
Jun
24
revised Derivative of the Riemann zeta function for $Re(s)>0$.
added 10 characters in body
Jun
17
revised On norms for “more complicated objects”
deleted 75 characters in body
Jun
11
revised Can every definite integral be expressed as a combination of elementary functions?
added 2 characters in body
Jun
10
revised Express 99 2/3% as a fraction? No calculator
added 693 characters in body
Jun
8
revised The value of $\int^{\pi/2}_0 \frac{\log(1+x\sin^2\theta)}{\sin^2\theta}d\theta$
deleted 13 characters in body
May
27
revised How should I self-study calculus?
added 186 characters in body
May
19
revised Curious formula for minimum?
added 81 characters in body
May
18
revised A name for the property $ \| x \star y \| = \| x \| \| y \| $.
added 16 characters in body
May
18
revised Curious formula for minimum?
added 144 characters in body
May
13
revised Is there a good book on Circulant Matrices?
edited body
May
4
revised Computing the complex integral?
deleted 1 character in body