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Alraxite
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All Questions Answers
Score Newest
answer
26
Evaluate $\cos 18^\circ$ without using the calculator
Jul 7, 2013
answer
22
The negation of a limit condition, Spivak style.
Jul 19, 2013
question
21
What is $i$ exponentiated to itself $i$ times?
Jan 16, 2013
answer
19
Intro to Real Analysis
Jun 12, 2014
answer
17
Prove by contradiction that a real number that is less than every positive real number cannot be posisitve
Nov 14, 2013
answer
12
Is this correct method to prove that $a^2 + b^2 + c^2 ≥ ab + bc + ac$, when $a,b,c \geq 0$?
Sep 12, 2013
answer
12
Integral $-\int_{0}^{a}{at^{3}\,{\rm d}t\over\,\sqrt{\,\left(a^{2} -t^{2}\right)\left(b^{2}t^{2} +a^{4}-a^{2}t^{2}\right)\,}\,}$
Dec 21, 2013
answer
11
Logarithm proof problem: $a^{\log_b c} = c^{\log_b a}$
Jul 25, 2013
answer
10
Proof by induction of Bernoulli's inequality: $(1 + x)^n \geq 1 + nx$
Aug 24, 2013
answer
8
Finding $\frac{a+b}{a-b}$ such that $a^2+b^2=6ab$
Jul 26, 2013
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Is the normal force a conservative force?
25
Why I think tension should be twice the force in a tug of war
18
What is the proof that a force applied on a rigid body will cause it to rotate around its center of mass?
9
Understanding tension
9
Paradox- Object thrown parallel to the ground will never fall down

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