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Oct
1
revised Solving $x!+1=y^2 $integer solutions,example:$(4,5),(5,11),(7,71)$
edited body; edited title
Sep
25
revised ${{a}_{n}}=\frac{1}{2n-1}$,${{S}_{n}}=\sum\limits_{i=1}^{n}{{{a}_{i}}}$,if ${{S}_{n}}<3$,Calculate max(n).
added 30 characters in body; edited title
May
27
revised Prove that $x ^ 3-y ^ 2 = 2$ only has one solution $(3,5)$
added 343 characters in body
Nov
12
revised Proving inequality $x^{10}-x^6+x^2-x+1>0$
edited title