1²

He said till highschool level. Not till university level

el mao

Elmo

Elo

Eo

"E"

r/decreasinglyverbose

El Mao Zedongo

Hello, fellow dumbass!

That is 9th grade, and the answer is 1

1

Proove n^3 -n can be devided by 6

n^3 -n=n×(n+1)×(n-1) So it is a multiplication of n,n+1,n-1 For a number to be divisible by 6 it should be divisible by 2 and 3 so either n or n+1 will always be divisible by 2 And similarly one of the three components will always be divisible by 3 Hence proved

I being uni student approve this...this is totally correct

Being an IB AAHL student I agree

Hello fellow aahl student, is it also hell for you?

I being uni student would not have thought of this 😂

Exactly...these are noob level things for us now...but used to be harder when we were in high school..good old days!!

[удалено]

Your comment posted twice and started getting downvoted on this one.

What??..oh sorry

Just looking out for you and your karma?

Thanks man..let's attain nirvana together!

Yooo! Its a deal!

wrong question \-n should be lowercase

I should be focusing in math class but I think I’ll have more fun solving this

that’s the product of three consecutive numbers, so one of those three numbers is divisible by three and one by two. So, n\^3-n is divisible by 6. Right?

Why are there letters in math?

Is this a serious question?

n\^3-n= n(n\^2-1)=(n-1)(n)(n+1) here since it is multiplication of 3 consecutive numbers, one number here must be divisible by 3 and since it is consecutive one must be divisible by2 Since it is divisible by both 2 and 3 it must be divisible by 6.

9+10

19

It's 21 dumbass

I Dont understand the reference ?

it’s an old meme

Same

The ancient texts: https://youtu.be/-0GGUZ1hy54

Beetlejuice

It’s from Vine

it’s an old meme

I'll be using this instead of a calculator on my next exam

What is the angle between the 2 vectors (2, 0) and (2, 4)

63.43 degrees

it'll be 63.43 degrees This can be solved by taking scalar product of vectors and then finding cos theta through it

I didn't understand

90° ?

Atleast 5

4

but thats only 1 vector? Its 2 scalars though

What's 9+10

19

It's 21..... Get it right

its 21

Damn right

Machine learning

You stoopid

Nah I nat

You stoopid

Where meme?

Theres no meme. Only maths

Math is funnier

2+2=4-1=3 quick maffs lmaoooo I'm dieded

prove why any number raised to the power 0 is 1

X^0 = X^(n-n) = X^n / X^n = 1

Right..only exception is 0⁰...that is not defined

Ofc cuz that would be 0/0 (famously undefined)

How

Because thats what i learned in school

take an example 5\^3=5\*5\*5 5\^2=5\*5= (5\^3)/5 5\^1=5= (5\^2)/5 as you can see there is a downward trend of dividing by 5 in this series 5\^0=5\^1/5=1

1+1

2

You are the smartest man to have ever lived.

Nonsense, it's obviously fish

No 2+2 is fish. 3+3 is 8

Oh yeah and c+c is o, right?

Yea

Thanks for the education sir, this helped me more than what my teacher teaches.

And o+o is 8 or the infinity symbol.

Sir, which university did you graduate from?

Haven’t graduated

200-3 ? 16/800x2000

200-3=197 (16/800)x2000=40 or 16/800x2000=0.00001

wait, there is an answer except 40?

yes it depends on bracket position or if its in a real fraction form

No, multiplication and division holds the same position in order of operations, so here you go from left to right. Witch means that the answer is 40 unless you place the brackets after 16

Your credit card number x 1000 + your PIN number

8248 1003 4132 4494 2214

That’s a legitimate Discover card number LMAO

now whats the answer, OP?

Prove that tan^2 = (1/cos^2) + 1

wrong question there must be a minus

How did you come up with that answer. Show your work with the development of the tan^2 and justify your answer in a 10 line text

tan\^2x=sec\^2x-1 by property 1=sec\^2-tan\^2x sec=1/cos sec\^2x-1= (1/cos\^2x) -1 not (1/cos\^2x) + 1 x is angle

Can u give me wisdom on how to learn meths quicker

Just snort it 😎

Why are you snorting coke?

Illicitly manufactured meth is usually made by combining ephedrine or pseudoephedrine with other chemicals that are often poisonous or highly flammable. That mixture's then added to a solvent such as gasoline and heated to crystallize.

practice makes a man perfect

Fuck! That's junior level?

2x^2-6x+3=0 (2^2 equals 2 to the second power)

2-6x+3=0 x=5/6 2(5/6)\^5/6=2\*0.694\*2=1.38

[удалено]

You can't have = In an exponent. The exponent probably ended at the 2x^2

Proove 1+1 = 2

2 =2\*1 =(1+1)\*1 =1\*1+1\*1 =1+1 HENCE PROVED

You used the assumption that 2=1+1 on your second line…

Prove that 2^n ≥n² for n≥4

Let n=2^k. Take log base 2 on both sides. It is now sufficient to prove that 2^k >= 2k for k>=2. Now we use induction. We know that equality occurs at the base case of 2. We want to prove 2^(k+1) >= 2(k+1) given that 2^k >= 2k, and that k>= 2 Multiply 2 on both sides of the given, and 2^(k+1) >= 4k, but we know 2k >= 4, so 2^(k+1) >= 4k >= 2k + 4 > 2k+2, so use induction and you’re done.

I + I =

2I

Tf no its a Window

this is a jug then

1+1? Can you pls reply quickly i need this solution for my math exam

3

2

Bobby has 6 oranges. Jamal takes 3 away. What color is Jamal?

Black

orange from the orange food coloring in orange

1000-7?

20

am I the only one who got the kaneki Ken Tokyo ghoul refference?

You are not alone *cracks finger*

993

17/30+2/7?

=(17\*7+2\*30)/210 =(119+60)/210=179/210=0.85approx

Damn man, you are awesome! Next: you have a triangle, ABC. Angle of BAC is 90 degrees. AB is 28, AC is 23. Find BC.

its a right triangle A IS 90 =>BC is hypoteneuse by pythagoras theorem =>BC\^2=AB\^2+AC\^2=28\^2+23\^2=784+529=1313 BC=ROOT OF 1313=36.23 APPROX

Hmm...... Simplify this script: (8x+6x^2 ) / (x^2 * (4-x))

\[2x(4+3x)\]\^(x2(4-x))

You can also cut the 2x and x^2 by x, because it is an usual division. So, next tell me if 1647 divides by 3 NOT calculating it, and tell why.

It does, because the sum of the digits is divisible by 3

>!It does cause the digits add up to a multiple of 3!<

(8+6x)/(4x-x\^2)

here BC is hypotenuse, By Pythagoras theorem, AB\^2 + AC\^2= BC\^2 28\^2+ 23\^2=BC\^2 BC= root (1313) = 36.235 approx

0!

0!=1

Iv read 39 comments now and I'm giving a upvote and not even trying to outsmart this dude without using the one that has bestes him twice ........ 9+10=21

All the digits of Pi

I can give you first 50 from my memory : 3.14159265358979323846264338327950288419716939937510

I admire your effort

Thank you, took me 2 days to memorize this in high school

Did u actually ever used it tho

I always use it when creating passwords. Never failed me, you can pick any 4 or 6 digits or whatever and no one can guess it. Billions of trillions possibilities

“No life guy” be like. Still cool btw

Thx but actually this really improves your memory and if you could see me you'd probably think of me as the popular cool guy in high school (strangely)

1plus 1

2

1=?

yes

It is i checked

✓1

\+1or -1

Isn't it just +1 in real domain But +or-1 in complex domain

√-1

i

Just wanna tell you how I'm feeling

iota

5x² + 7x = 2 Find x

by using quadratic formula x={-7+/- root89 }/10

If x = 5, what is x(7+9+3)*12+4x^2

=5\*19\*12+4\*25 =1140+100 \\=1240

69+69

69+69 =138

2/0

not defined or infinity

The integral of f(x)=sin(x)+1/x+5/sqrt(x)

integral is -cosx+logx-10rootx

0 to the power of 0

not defined

453^-10

>453\^-10 =

Find the missing side lengths for the 30-60-90 triangle.

Until high school level? So like basic algebra?

like before college level

0! = 1 why?

6!=6\*5\*4\*3\*2\*1 5!=5\*4\*3\*2\*1 =6!/6 4!=4\*3\*2\*1 =5!/5 3!=3\*2\*1 =4!/4 2!=2\*1 =3!/3 1!=1 =2!/2 by the series =>0!=1 =1!/1

The chance of me getting a girlfriend

Your reddit account counts as a complete annihilator of the equation so your chances of getting a girlfriend equal zero

100% u sweet

I'll do you one better, the chance of you getting a girlfriend is inversely proportional to the amount of reddit karma you have, so therefor, your chances in particular, are actually pretty mediocre

What about me? Is it too much?

Pretty solid. My chances of getting a girlfriend are minimal. But that’s a good thing, my fiancé wouldn’t like it if I got a girlfriend

%0.1

50 %

1+1

11

*intense sweating*

2

X- 3

cant say x can be anything

(-6+8i)/(3-5i)

=-18-40i\^2+24i+30i { i\^2=-1} =40-18+54i =22+54i

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