Zarkon
 Name:
 Lord Zarkon
 School:
 Planet Doom University
 About:
 Ph.D.s in Galactic Domination and Mathematical Statistics.
One day I hope to be ruler of the Universe. Also, there are infinity many twin primes.
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Questions Answered

Kainui:
Group Title
Show that i^i is a real number.
 updated 4 hours ago
 7 replies
 6 Medals
Mathematics

Alexander95:
Group Title
FAST LIMIT !
…
 updated 7 hours ago
 32 replies
 1 Medal
Mathematics

Mathhelp346:
Group Title
How do I evaluate sin(pi/3) without using a calculator?
 updated yesterday
 18 replies
 1 Medal
Mathematics

hba:
Group Title
Please fill this up it is for my trw class
https://www.surveymonkey.com/s/69W8WZS
 updated 3 days ago
 3 replies
 No Medals Yet
Mathematics

davidellis17:
Group Title
find the additive inverse of 85i
 updated 3 days ago
 19 replies
 1 Medal
Mathematics

jamieneedsmathhelp:
Group Title
simplify: [(n+1)!/n!]n
 updated 4 days ago
 4 replies
 1 Medal
Mathematics

Study_Guy2:
Group Title
L'Hopitals rule: evaluate the limit:
 updated 4 days ago
 91 replies
 7 Medals
Mathematics

aubreywoodley22:
Group Title
Marty has exactly 5 blue pens, 6 black pens, and 4 red pens in his knapsack. If he pulls out one pen at random from his knapsack, what is th…
 updated 4 days ago
 1 reply
 No Medals Yet
Mathematics

Slcarebear05:
Group Title
Why does 0.2 times 0.4 =0.08
 updated 5 days ago
 3 replies
 1 Medal
Mathematics

SithsAndGiggles:
Group Title
Find a closed form (if it exists) for the \(n\)th term of the sequence of numbers formed by the sequence of tangent circles centered at \((k…
 updated 3 days ago
 16 replies
 1 Medal
Mathematics

micahwood50:
Group Title
Having a little trouble with it:
Is \(f(x) = \dfrac{2x}{1+x^2}\) an injective? Why or why not?
…
 updated 5 days ago
 17 replies
 8 Medals
Mathematics

sodiumfree10:
Group Title
Help! How do I approach this question:
Obtain an explicit formula for function(x) of
f(x)=sum when n=1 to infinity of (nx^n)
 updated 5 days ago
 9 replies
 4 Medals
Mathematics

n121:
Group Title
limx>0 of (acosbx)/x^2 =8 find a and b
without lhopital
 updated 6 days ago
 21 replies
 2 Medals
Mathematics

jklmfao:
Group Title
sin(tan^1(1)+sin^1(2/3))
 updated 6 days ago
 1 reply
 No Medals Yet
Mathematics

czarluc:
Group Title
divide 30 into two parts so that the sum of their squares is a minimum
 updated 7 days ago
 23 replies
 3 Medals
Mathematics

jayy2014:
Group Title
lim as x approaches 3 of (1/x3)(1/sqrt(x+1)1/2)
 updated 7 days ago
 110 replies
 6 Medals
Mathematics

AIK:
Group Title
Solve for R
1/R= 1/R1 + 1/R2
 updated 8 days ago
 6 replies
 1 Medal
Mathematics

Idealist10:
Group Title
How many people have to be in a room in order that the probability that at least two of them celebrate their birthday in the same month is a…
 updated 9 days ago
 5 replies
 No Medals Yet
Mathematics

Sophie_dofi:
Group Title
What is the value of tan(sin^1(1/2))
…
 updated 9 days ago
 6 replies
 2 Medals
Mathematics

nevvy217:
Group Title
find the value of x. The diagram is not drawn to scale.
(I know how to solve the equation, i have trouble with how to set the equation…
 updated 9 days ago
 16 replies
 No Medals Yet
Mathematics

alienbrain:
Group Title
find power series (maclaurin series):
integral [ e^(x)^(2) ] dx
 updated 9 days ago
 16 replies
 2 Medals
Mathematics

lol09lune:
Group Title
compute lim x>0 (x^2(sin(4/x)))
 updated 10 days ago
 9 replies
 3 Medals
Mathematics

fbi2015:
Group Title
Okay, another integral.
(problem inside) Hints. don't do my work:) I'll see what I can do and what I can't.
 updated 11 days ago
 29 replies
 3 Medals
Mathematics

nm61101:
Group Title
Please Help!
S=[A,B,C], P(B)=P(C), P(A)= 3P(C)
P(B)=
…
 updated 11 days ago
 1 reply
 2 Medals
Mathematics

darkprince14:
Group Title
CONVERGENCE of an INFINITE SERIES
 updated 11 days ago
 15 replies
 1 Medal
Mathematics

pmkat14:
Group Title
@ganeshie8 will award medal.
…
 updated 14 days ago
 48 replies
 3 Medals
Mathematics

pmkat14:
Group Title
will award medal
Let R be the rectangle with vertices (0,0), (2,0), (2,2), and (0,2) and let f(x,y) = \sqrt{xy}.
…
 updated 14 days ago
 17 replies
 3 Medals
Mathematics

prittygirl799:
Group Title
whats the square root of 4
 updated 15 days ago
 10 replies
 2 Medals
Mathematics

Loser66:
Group Title
Show that \(\dfrac{3^n}{n!}\) converges to 0
Please help.
 updated 14 days ago
 22 replies
 1 Medal
Mathematics

pmkat14:
Group Title
) Find the partial derivative indicated. Assume the variables are restricted to a domain on which the function is defined. d/dx (x^2e^(sqrt(…
 updated 15 days ago
 26 replies
 1 Medal
Mathematics
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