f(x) Rum Pum Pum Pum
2013-07-28 by John Lennon beat his wife. | 33 Comments

K-pop five-piece f(x) have released a music video for '에프엑스_첫 사랑니(Rum Pum Pum Pum)', the lead single for their sophomore LP Pink Tape (released today on S.M. Entertainment).

Check it here: http://www.youtube.com/watch?v=xnku4o3tRB4

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Band Page: f(x)

Comments:Add a Comment 
elbaliem
July 28th 2013

847 Comments


sputnik,are u high?

Jruined
July 28th 2013

1289 Comments


This is a song about baby Jesus?


Trebor.
Contributing Reviewer
July 28th 2013

49791 Comments


final fantasy x

Digging: Empire! Empire! (I Was a Lonely Estate) - You Will Eventually Be Forgotten

cvlts
July 28th 2013

8954 Comments


No.

pizzamachine
July 28th 2013

12571 Comments


This isn't so great but I'm still stoked for Pink Tape. :]

Trebor.
Contributing Reviewer
July 28th 2013

49791 Comments


f(x) = x /(x+1), express f(2x) in terms of f(x)

theacademy
July 28th 2013

28249 Comments


there's a song on the album written/(co-written?) by sophie ellis bextor!

RogueNine
July 28th 2013

1146 Comments


Now find f'(x).

IbenizGEO1
July 28th 2013

2258 Comments


fuck that im not taking the derivative of a fraction. that's a pain in the ass

Eclecticist
July 28th 2013

3863 Comments


math pop

DLEETD
July 28th 2013

30 Comments


Psh, better than taking the integral of a fucking logarithm.

Sauce
July 28th 2013

666 Comments


"written/(co-written?)"

actually it's written^(co-written?)

NightmareCinema16
July 28th 2013

2016 Comments


It's theacademy, what did you expect?

treeqt.
July 28th 2013

9025 Comments


song is alright, krystal is looking guuuuuuuuuud with the red hair
having semi high hopes for the album because the year in kpop has been shit so far (except for i got a boy, best song ever)


"fuck that im not taking the derivative of a fraction. that's a pain in the ass"
>a derivative
>pain in the ass
>ever

RogueNine
July 28th 2013

1146 Comments


Dem quotient rules.

treeqt.
July 29th 2013

9025 Comments


liek you take this function and you apply that rule and then you have the derivative wow that was a pain in the ass lol glad the rest of the maths is easier x D

MuhNamesTyler
July 29th 2013

3700 Comments


man i hate when your watchin tv and the shows are quiet but then the commercials are loud as fuck

treeqt.
July 29th 2013

9025 Comments


it's like they took that intro scene right from 'the boys'

IbenizGEO1
July 29th 2013

2258 Comments


"liek you take this function and you apply that rule and then you have the derivative wow that was a pain in the ass lol glad the rest of the maths is easier x D"

Are you really starting a nerdy math fight? : P

treeqt.
July 29th 2013

9025 Comments


but i alredy won lol nerd stay small gg pc

treeqt.
July 29th 2013

9025 Comments


can the album be available for downloadings on the soul seekers already like FUCK man

theacademy
July 29th 2013

28249 Comments


yea ive been refreshing like WTF ugh

Kronzo
July 29th 2013

991 Comments


The statements of ftc and ftc1
. Before we get to the proofs, let's rst state the Fundamental Theorem of Calculus and the Inverse Fundamental Theorem of Calculus. When we
do prove them, we'll prove ftc1 before we prove ftc. The ftc is what Oresme propounded
back in 1350.
(Sometimes ftc1
is called the rst fundamental theorem and ftc the second fundamental theorem, but that gets the history backwards.)
Theorem 1 (ftc). If F
0
is continuous on [a; b], then
Z b
a
F
0
(x) dx = F(b) F(a):
In other words, if F is an antiderivative of f, then
Z b
a
f(x) dx = F(b) F(a):
A common notation for F(b) F(a) is F(x)




b
a
.
There are stronger statements of these theorems that don't have the continuity assumptions stated here, but these are the ones we'll prove.
Theorem 2 (ftc1
). If f is a continuous function on the closed interval [a; b], and F is its
accumulation function de ned by
F(x) = Z x
a
f(t) dt
for x in [a; b], then F is di erentiable on [a; b] and its derivative is f, that is, F
0
(x) = f(x)
for x 2 [a; b].
Frequently, the conclusion of this theorem is written
d
dx Z x
a
f(t) dt = f(x):
Note that a di erent variable t is used in the integrand since x already has a meaning.
Logicians and computer scientists are comfortable using the same variable for two di erent
purposes, but they have to resort to the concept of scope" of a variable in order to pull that
o . It's usually easier to make sure that each variable only has one meaning. Thus, we use
one variable x as a limit of integration, but a di erent variable t inside the integral.
Our rst proof is of the ftc1
.
1

tempest--
July 29th 2013

12622 Comments


alright tree lets math this thread

treeqt.
July 29th 2013

9025 Comments


1 = 0 where's your god now



treeqt.
July 29th 2013

9025 Comments


"yea ive been refreshing like WTF ugh"

it's available on some dude's blog you'll find it through google

theacademy
July 29th 2013

28249 Comments


:D

LiquidVelvet
July 29th 2013

629 Comments


I swear to god, f(x) are the worst group in kpop right now. Boring songs, poor style, can't dance, no exceptional singers...Krystal is really their only redeeming factor. Nu ABO was pretty alright, but everything else has been really mediocre. I don't understand why they're so hyped in the US.

UnnamedOcean
July 29th 2013

3950 Comments


f'(f(x))

treeqt.
July 29th 2013

9025 Comments


idk there really isn't much going on in kpop for me atm. most groups i care for aren't doing anything.

theacademy
July 29th 2013

28249 Comments


they r good dancers!

pizzamachine
July 29th 2013

12571 Comments


the album rules!

treeqt.
July 29th 2013

9025 Comments


i like it ye



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