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Something something witty.


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
comment Infinite Sum of Areas of Isosceles Triangles Help
Try drawing it out and visualizing it?
Sep
8
asked How to get started with solving basic Differential Equations?
Aug
1
comment Evaluate $\int\frac {\csc^2{x}-2005}{\cos^{2005}{x}} dx $
Can you show the work which you've tried? and specifically where you got stuck when doing it?
Jul
28
revised A farmer sold a calf and a cow for Rs 760. Find the cost of each.
question formatting
Jul
28
suggested suggested edit on A farmer sold a calf and a cow for Rs 760. Find the cost of each.
Jul
18
suggested suggested edit on The sum of $1^2+7^2+13^2+\cdots+n^2,$ where $ n =1 \mod6 $
Jul
18
revised How to solve a system of three nonlinear equation in a simple way
grammar, spelling.
Jul
18
suggested suggested edit on How to solve a system of three nonlinear equation in a simple way
Jul
17
suggested suggested edit on sum of the series $\sum_{k=0}^{\infty}(k+1)(1-|x_k|)|x_n|^k$
Jul
14
comment Using the Chain Rule to prove trig derivatives
@YvesDaoust I see, that makes sense.
Jul
14
comment Using the Chain Rule to prove trig derivatives
@YvesDaoust Really? Why? I've never seen the $\circ$ for my derivatives when doing them in class/examples.
Jul
14
awarded  Cleanup