agent154

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1,167 reputation

9

bio	website
	location	Canada
	age	31
visits	member for	8 months
	seen	15 hours ago
stats	profile views	253

I hold a diploma in Network Administration (along with many industry certifications) and am currently studying Computer Science and Pure Math in University.

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88 Questions

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8	From a mathematician's point of view, what is the purpose of '$dx$' in $\int f(x)\ dx$?
7	Show that if some nontrivial linear combination of vectors $\vec{u}$ and $\vec{v}$ is $\vec{0}$, then $\vec{u}$ and $\vec{v}$ are parallel.
7	Show that $\displaystyle\int_{-\pi}^\pi\sin mx\sin nx d x=\begin{cases}0&\text{if }m\neq n,\\\pi&\text{if }m=n\end{cases}$ using integration by parts
7	How to integrate $\int\frac{1}{1+\cos{x}}\ dx$?
5	What is the negation of “Subset”?

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1,167 Reputation

+10	Show that a vector that is orthogonal to every other vector is the zero vector
+15	Is a sequence of all the same numbers monotonic?
+5	Proof by induction: Show that $7\|5^{2n}-2^{5n}$
+5	Linear combination of vectors in $\mathbb{R}^3$

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4 Answers

votes activity newest

5	Applied Optimization of the addition of two positive numbers.
1	Proof that $(\mathbb{N}\times\mathbb{N},\preceq), (a,b)\preceq(c,d)\iff a\leq c\wedge b\geq d$ is a poset
0	Defining “minimum” using logic and set-theoretic operations.
0	Prove that a function is a total function (as opposed to a partial function)

42 Tags

5 calculus × 25	0 logic × 6
5 optimization × 2	0 limit × 5
1 elementary-set-theory × 19	0 propositional-calculus × 5
0 integration × 13	0 functions × 5
0 discrete-mathematics × 12	0 elementary-number-theory × 4

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11 Accounts

$Mathematics Stack Exchange$	Mathematics	1,167 rep	9
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	540 rep	8
	Computer Science	434 rep	8
	Stack Overflow	382 rep	16
	Super User	160 rep	6

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130 Votes Cast

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0	down		127	answer		14		2

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