Mathematics
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xbh
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Learining Math. Ideally 4eva.

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All Questions Answers
Score Newest
answer
45
How can I justify this without determining the determinant?
Nov 24, 2019
answer
13
Value of $\lim_{n\to \infty} \frac{1}{2^n} \sum_{k=1}^{2^n} \{\log_{2}k\}$
Sep 4, 2018
answer
11
Solve: $\log_3(5(2^2+3^2)(2^4+3^4)(2^8+3^8)(2^{16}+3^{16})(2^{32}+3^{32})+2^{64})=?$
Sep 8, 2018
answer
10
$ \begin{vmatrix} f(a) & g(a) & h(a) \\ f(b) & g(b) & h(b) \\ f'(c) & g'(c) & h'(c) \\ \end{vmatrix} =0 $
Oct 24, 2018
answer
9
find the value of $\int_{-a}^{a} \frac{f(x)} {1+e^x} dx $?
Nov 13, 2018
answer
9
Justify: if $x\gt 0$, $\;\lim_{n\to\infty} \sqrt{n}\cdot{\overbrace{\sin\sin\cdots\sin}^{n\space\text{sines}}(x)}=\sqrt{3}$
Jul 30, 2018
answer
8
Definite integral of $x\sin^n x$ from $0$ to $\pi/2$
Sep 15, 2018
answer
8
How to simplify or upperbound this summation?
Sep 18, 2018
answer
7
If $I$ an interval and $x_1,x_2,x_3\in I$, why $t_1x_1+t_2x_2+t_3x_3\in I$ when $t_1+t_2+t_3=1, t_i\in [0,1]$?
Aug 21, 2018
answer
7
Evaluate $\lim_{n \to \infty} ((15)^n +([(1+0.0001)^{10000}])^n)^{\frac{1}{n}}$
Aug 13, 2018
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