Mathematics
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vidyarthi
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Apparently, this user prefers to keep an air of mystery about them.

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15 Why does $(128)!$ equal the product of these binomial coefficients $128! = \binom{128}{64}\binom{64}{32}^2 \dots \binom21^{64}$? Jun 24 '16
12 $x-\frac1x+y-\frac1y=4\,$ has no rational solutions? Jan 3 '17
10 Why do we want complete spaces? We don't we just use closed spaces? Dec 13 '16
9 If the number of units of a ring is odd, then the ring has cardinality as a power of two [duplicate] Jul 16
7 Can anything free compete with Wolfram Alpha? Dec 31 '16
7 Is the function $f(n)=$ “First prime greater than or equal to $n$” from the natural numbers to the prime numbers bijective? Nov 22 '16
7 Complex integral with conjugate as an exponent Sep 20 '17
7 Diagonalizability of elements of finite subgroups of general linear group over an algebraically closed field Mar 10 '18
6 Geometric (Trigonometric) inequality $\frac{(a+b+c)^3}{3abc}\leq1+\frac{4R}{r}$ Jan 1 '17
6 number of subgroups of order $ n $ in $S_n$ Apr 27 '17
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