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Dec
21
revised $Q(x) = (x^2 + 1)P(x) +P'(x) $ has at least m solution
added 7 characters in body
Dec
21
asked $Q(x) = (x^2 + 1)P(x) +P'(x) $ has at least m solution
Dec
8
revised Determine all c such that $a_0=0 ; a_{n+1}=\frac{a_n^2+c}{2}$ converges
added 83 characters in body
Dec
8
asked Determine all c such that $a_0=0 ; a_{n+1}=\frac{a_n^2+c}{2}$ converges
Dec
27
revised Integrals: $I=\int_{1}^{e}\frac{\ln x(\ln x+1)}{(1+x+\ln x)^3}dx$
added 2 characters in body
Dec
27
accepted Integrals: $I=\int_{1}^{e}\frac{\ln x(\ln x+1)}{(1+x+\ln x)^3}dx$
Dec
27
answered Integrals: $I=\int_{1}^{e}\frac{\ln x(\ln x+1)}{(1+x+\ln x)^3}dx$
Dec
27
awarded  Editor
Dec
27
revised Integrals: $I=\int_{1}^{e}\frac{\ln x(\ln x+1)}{(1+x+\ln x)^3}dx$
edited body
Dec
27
asked Integrals: $I=\int_{1}^{e}\frac{\ln x(\ln x+1)}{(1+x+\ln x)^3}dx$
Dec
26
comment Does anyone know of any additive periodic functions?
We see at [enter link description here][1] [1]: math.stackexchange.com/questions/43964/…
Dec
26
awarded  Supporter
Dec
25
awarded  Teacher
Dec
25
accepted Showing that: $(\frac{a}{b+c})^2+(\frac{b}{a+c})^2+(\frac{c}{a+b})^2+\frac{10abc}{(a+b)(b+c)(c+a)}\ge 2$
Dec
25
answered Showing that: $(\frac{a}{b+c})^2+(\frac{b}{a+c})^2+(\frac{c}{a+b})^2+\frac{10abc}{(a+b)(b+c)(c+a)}\ge 2$
Dec
23
asked Showing that: $(\frac{a}{b+c})^2+(\frac{b}{a+c})^2+(\frac{c}{a+b})^2+\frac{10abc}{(a+b)(b+c)(c+a)}\ge 2$
Dec
21
accepted $\sqrt{(a+b-c)(b+c-a)(c+a-b)} \le \frac{3\sqrt{3}abc}{(a+b+c)\sqrt{a+b+c}}$
Dec
21
comment $\sqrt{(a+b-c)(b+c-a)(c+a-b)} \le \frac{3\sqrt{3}abc}{(a+b+c)\sqrt{a+b+c}}$
Thank you very much
Dec
21
awarded  Scholar
Dec
20
awarded  Student