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Oct
13
reviewed Close Evaluate these limits by relating them to a derivative
Oct
13
reviewed Approve Difference between “probability density function” and “probability distribution function”?
Oct
13
reviewed Reviewed General question about 'vieta jumping'
Oct
11
reviewed Close is there a name for this series $p_{n,j}=\sum_{k=1}^n (k^2\pi)^j$?
Oct
11
reviewed Close Find the arc length of lemniscate $r=2(\cos(2\theta))^{1/2}$
Oct
11
reviewed Reviewed Navier-Stokes on concentric cylinders
Oct
11
reviewed No Action Needed How do you do this summation?
Oct
11
reviewed No Action Needed Efficient way to check if large number is divisible by 3
Oct
11
reviewed Approve Prove that $c^n>a^n+b^n$ for $n>2$
Oct
11
reviewed Leave Open Show $\sum \frac{n}{2^n + n} <\frac 32$
Oct
11
reviewed Close What are the coefficients of linear combinations of two edges of a pentagon to get to the other unknown two vertices
Oct
11
reviewed Close How to show that adjoint operator is a linear operator and its norm is equal to that of the original operator?
Oct
11
reviewed Close Pullback of differential form is zero
Oct
11
reviewed Close what is wrong with this derivation?
Oct
11
reviewed Close Limit $\lim_{n \rightarrow \infty}\frac{1 \cdot 3 \cdot 5 \dots \cdot (2n-1)}{2 \cdot 4 \cdot 6 \cdot \dots \cdot (2n)} $
Oct
11
reviewed Leave Open Find domain of $(-1)^x$
Oct
11
reviewed Close Finding pyramid height equation. Given 4 vector points.
Oct
11
reviewed Approve Vector questions involving lines and planes.
Oct
10
reviewed No Action Needed Transformation of dot-product to squared sum of squared distances
Oct
10
reviewed Reviewed Muliplicty of the roots of the graph (x^4)-2