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Something something witty.


1d
comment find the least positive residue of $1!+2!+3!+…+100!$ modulo each of the following integers
What do you mean.. residue?
1d
revised what is the limit of this special linear function?
Please don't ask about why it's bad or wrong, and no need to call it a stupid system. Also, formatting.
1d
suggested suggested edit on Closed-form of $\tan(\frac{\pi }{9})$.
1d
suggested suggested edit on what is the limit of this special linear function?
Oct
16
revised $\mathbb Z^n$ as a proper quotient of $\mathbb Z^m$
formatting
Oct
16
comment Does every vector space have an inner product?
What have you tried? Why do you think yes?
Oct
16
comment Let $f(x)= (\sin x)^x$ Find $f'(\frac{\pi}{2})$
+1 for being clever. Hadn't thought of this.
Oct
16
suggested suggested edit on $\mathbb Z^n$ as a proper quotient of $\mathbb Z^m$
Oct
7
awarded  Good Question
Sep
24
comment The possible area of a triangle if three laterals of a triangle is between $0$ and $1$
Maybe i'm just thinking too simply, but isn't the max area when there are (all 3 sides) are 1?
Sep
23
comment Not understanding how to factor a polynomial completely
@Cherry_Developer No it should be: $P(x)=(2x-3)(2x+3)(4x^2+9)$
Sep
18
comment Probability of 7 Card Hand with All Different Ranks?
The first card is from 52, then subtract 4 each time? Just a thought but i think it would be: (52*48*44*40*36*32*28) should might be the top? The first card should still be included in the multiplication? Not that sure, but maybe this helped?
Sep
15
awarded  Benefactor
Sep
15
accepted Intuitively, how do you explain the concept of Flux?
Sep
15
comment Intuitively, how do you explain the concept of Flux?
Could you possibly expand a bit more on this? I'm having a bit of trouble visualizing how it would work or a simple example of numbers or such?
Sep
14
awarded  Promoter
Sep
13
revised Intuitively, how do you explain the concept of Flux?
corrected spelling
Sep
12
asked Intuitively, how do you explain the concept of Flux?
Sep
12
comment IVP: $y'=\frac{y}{3x-y^2}$, $y(1)=1$
This might help? math24.net/first-order-linear-equations.html
Sep
8
asked How to get started with solving basic Differential Equations?