I am an engineer who is in love with math and lifelong math student. I love to learn new things in mathematics for self-satisfaction. My idols are Gauss , Euler , Ramanujan because they were in love with math as I feel.

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answered Differentiate $\sqrt{1+f(x)^2}/(1+f(x))$
Feb
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comment General solution to ODE $ y''-Ay^5=0 $
You can use the same way as I showed for other similiar question.math.stackexchange.com/questions/166981/…
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Dec
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reviewed Approve suggested edit on In ΔABC prove that sides are in $AP$.
Dec
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revised Generating Function of distinct way of partitioned square sums of positive integers
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Dec
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comment Generating Function of distinct way of partitioned square sums of positive integers
@VladimirDotsenko : I updated the coefficient of $x^{49}$. Euler is our master and I know the sum formula is not very easy and simple. Maybe There is more than one sum. It is also one reality that if it had a simple sum formula, I am sure that Euler had already found it many years ago. It is just my wonder how relationship has in it.Thanks a lot for comment and coefficients.
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revised Generating Function of distinct way of partitioned square sums of positive integers
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revised Generating Function of distinct way of partitioned square sums of positive integers
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revised Generating Function of distinct way of partitioned square sums of positive integers
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Dec
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answered Complex roots forming a equilateral triangle
Dec
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revised Prove that $\lim_{m\to\infty} I_{2m}/I_{2m+1}=1$
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Dec
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answered Minimum value of an integral with least square?
Nov
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answered Proof of Faà di Bruno's formula using a convolution identity for Bell polynomials?
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Nov
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comment Generating Function of distinct way of partitioned square sums of positive integers
@zeb I did not expect that. I thought coefficients are (+1) or (-1) as euler function has. Is it possible if you share the coefficient result? Thanks
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