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Mathematics
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Abezhiko
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22
Can the differential be unitless while the variable have an unit in integration?
Jul 5, 2024
15
Is the variance of the mean of a set of possibly dependent random variables less than the average of their respective variances?
Jul 7, 2024
11
How to evaluate the integral $\int_0^{\infty} \frac{\sin(k \ln(t))}{\sqrt{t}} \left\{\frac{1}{t}\right\} \, dt $
Jul 22, 2024
10
Is there a closed form for the linear operator $T$ such that $T(x^n) =f(n)x^{n-1}$?
Mar 28, 2024
10
Why is it that in some problems that involve systems of equations, solving for one unknown value, also yields the other in the second solution?
Apr 1, 2024
10
Prove the closed form of $\int_0^T \exp\left(\frac{ia}{T-\tau}+\frac{ib}{\tau}\right)\frac{d\tau}{\left[\sqrt{(T-\tau)\tau}\right]^3}$.
Jul 3, 2024
10
Challenging integration
Nov 19, 2023
8
$\sum_{{k = 0}}^{n}(-1)^k\binom{n}{k} {A}^{k}{B}^{n - k} = 0 $ implies $A=B$?
Jul 8, 2024
8
Evaluate $\int_{0}^{\frac{\pi}{2}+1}\sin(x-\sin(x-\cdots))dx$
Sep 9
8
How to apply a squared operator to a function?
Sep 12, 2024

Top network posts

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11
Why this definition of the trace?
5
Finding the wavefunction of coherent state in 2D oscillator
5
What is the general form of the ladder operator?
5
Axioms of quantum mechanics - intuitive explanation
5
Proof and meaning of $\vec{v} = \vec{\omega}\times\vec{r}$