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awarded  Yearling
Nov
14
comment Why did Frank Drake choose these math equations for the Voyager Golden Record?
That is pretty insightful, what books or internet sources would you recommend for a reading list?
Nov
12
revised Double integral with polar?
deleted 3 characters in body
Nov
12
revised Double integral with polar?
deleted 3 characters in body
Nov
12
revised Double integral with polar?
deleted 88 characters in body
Nov
12
revised Double integral with polar?
added 50 characters in body
Nov
10
revised limit $\lim_{n\rightarrow \infty}\left(\int_0^1f^n(x)dx\right)^{\frac{1}{n}}=M$
edited title
Nov
8
revised Prove $\sum_{k=0}^{n-1}\frac{n(-1)^{n-k+1}}{n-k}{n-1 \choose k} = 1$
edited title
Nov
6
revised limit $\lim_{x\rightarrow0+}(\cos x +|x|+x)^{\cot x}$
edited title
Nov
6
revised Prove $\prod_{n=1}^{\infty} (1+\frac{(-1)^{n+1}}{2n-1})=\sqrt2$
edited title
Nov
3
revised Is the value of $x^y$ becomes undefined as both tends to 0?
added 12 characters in body; edited title
Oct
31
comment Is zero odd or even?
youtube.com/watch?v=8t1TC-5OLdM
Oct
31
comment Is zero positive or negative?
youtube.com/watch?v=8t1TC-5OLdM
Oct
29
comment find common ratio of $\sum_{k=1}^\infty \frac{1}{k(k+1)}$
partial fraction it
Oct
24
revised properties on groups of order $p^2qr$
edited title
Oct
23
revised $f\left(x + \frac1x\right)= x^3+x^{-3},$ find $f(x)$
edited title
Oct
23
comment Integrate $\int\sqrt\frac{\sin(x-a)}{\sin(x+a)}dx$
Did you type all of this or is there a software to help with all the latex?
Oct
23
revised Evaluate $\int\sec^4(u) \operatorname d \!u$
added 9 characters in body; edited title
Oct
23
revised How to evaluate $\int_0^1\frac{\tanh ^{-1}(x)\log(x)}{(1-x) x (x+1)} \operatorname d \!x$?
added 13 characters in body; edited title
Oct
23
revised $\int\limits_{a}^{b} f(x) dx = b \cdot f(b) - a \cdot f(a) - \int\limits_{f(a)}^{f(b)} f^{-1}(x) dx$ proof
edited title