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1d
reviewed Approve Improper integral $\int_0^\infty\sin(x^2)\,dx$
1d
reviewed Approve In how many ways can $8$ appointments be scheduled for a physician visiting a nursing home with $20$ patients?
Feb
1
reviewed Approve Proving Question (Complex Numbers, De Moivre's)
May
10
reviewed Approve Expected value of a card game, with a fixed probability of playing it again.
Apr
3
reviewed Approve Multiplication problem.
Nov
12
reviewed Approve Find a map $g: \mathbb{R}^2 \rightarrow \mathbb{R}$ to prove surjectivity for a given $f:\mathbb{R} \rightarrow \mathbb{R}^2 $
Nov
12
reviewed Approve Partial derivative at (0,0).
Nov
7
reviewed Approve Translating a Word Problem into an Algebraic Equation
Nov
7
reviewed Approve Simple formula for a sieries like 1, 2, 5, 10, 20, 50, 100, …
Nov
7
reviewed Approve Is irrational times rational always irrational?
Nov
7
reviewed Approve Transforming hyperbolic PDE into normal form
Oct
30
reviewed Approve Efficient ways to evaluate an integral with a logarithm
Oct
24
reviewed Approve How to study the irrational numbers with a high school math background?
Oct
23
reviewed Approve Solving $y^2 - yx - y + x = 0$ for $y$?
Oct
11
reviewed Approve Is $\sum i^{1/i}$ bounded?
Sep
16
reviewed Approve Is there a closed form solution for this differential equation?
Aug
4
reviewed Approve How can I calculate $AB$ in a quadrilateral figure $(ABCD)$
Jun
29
reviewed Approve expected value and variance of the difference of number of people in a row.
Jun
29
reviewed Approve An example of an $m$-primary ideal in noetherian local domain
Jun
10
reviewed Reject Splitting fields and isomorphic