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20,280 results

blackpenredpen

1.41M subscribers

bprp math basics

261K subscribers

bprp calculus basics

212K subscribers

bprp math basics
A challenging equation for all precalculus students!

Learn how to solve the challenging equation 1/(2-x)=sqrt(x) step by step! This tricky equation involves squaring both sides, ...

7:21
A challenging equation for all precalculus students!

70,187 views

1 year ago

bprp fast

287K subscribers

blackpenredpen
Can f'(x)=f^-1(x)?

Learn math with Brilliant! Click https://brilliant.org/blackpenredpen/ and get 20% off your annual premium subscription. Can the ...

10:31
Can f'(x)=f^-1(x)?

68,703 views

1 month ago

bprp math basics
Find the BIGGEST semicircle in a rectangle

In this math tutorial, we explore how to fit the largest possible semicircle inside a rectangle. I show the key reasoning, compare ...

7:24
Find the BIGGEST semicircle in a rectangle

21,512 views

1 month ago

bprp fast
1 en 1 minute

Limite lorsque x tend vers l'infini de x racine de x #calcul #shorts #limite 👉 Cliquez ici pour vous abonner : https://bit.ly ...

0:56
1 en 1 minute

730,929 views

5 years ago

bprp math basics
Can f(x)+f^-1(x)=x?

This seems like a simple algebra problem: Can you find a linear function, f(x) + f^-1(x) = x? You'll quickly find that this equation ...

5:26
Can f(x)+f^-1(x)=x?

9,047 views

1 month ago

bprp math basics
The last question of an old Sweden university entrance exam

We will see how to solve the absolute value equation: abs(x^2-2abs(x))=1. This question is from an old university entrance exam ...

4:18
The last question of an old Sweden university entrance exam

145,350 views

1 month ago

bprp fast
How calculus teachers create integrals

I think it looks pretty good. What else would you like to add? bprp #calculus.

0:38
How calculus teachers create integrals

963,962 views

4 years ago

bprp fast
Your calculus 3 teacher did this to you

Your calculus 3 teacher did this to you.

0:08
Your calculus 3 teacher did this to you

252,968 views

4 years ago

bprp fast
Trigonometry is wasy

shorts #bprp #fast.

0:12
Trigonometry is wasy

451,203 views

4 years ago

bprp math basics
Genuinely curious: If .9 repeating = 1, what does .8 repeating = ? Reddit r/askmath

This math tutorial answers the question if 0.999... = 1, then 0.888...=? 0:00 0.888…=? 5:43 The cricket also wants to learn math ...

7:20
Genuinely curious: If .9 repeating = 1, what does .8 repeating = ? Reddit r/askmath

725,246 views

7 months ago

bprp math basics
Huh? How do you solve this? Functional equation for precalculus students

Learn how to solve a function equation based on an inverse function for your precalculus class. We will see how to solve for f(x) if ...

5:46
Huh? How do you solve this? Functional equation for precalculus students

152,937 views

1 year ago

bprp math basics
How to solve a hard equation easily!

We will use a clever substitution to turn a complex quartic equation into a solvable quadratic! We're using a famous math ...

7:47
How to solve a hard equation easily!

30,113 views

2 months ago

bprp math basics
This problem deceived me so hard, am I stupid? Factoring & quadratic formula, Reddit r/Homeworkhelp

How do we solve this quadratic equation 2x^2+x=6? Let's learn how to solve this quadratic equation by factoring and by using the ...

10:53
This problem deceived me so hard, am I stupid? Factoring & quadratic formula, Reddit r/Homeworkhelp

859,847 views

2 years ago

bprp math basics
If z^2=z-1, then z^5+4z^3+z-2=? (DON'T SOLVE FOR z)

We will solve a challenging problem: if z^2=z-1, then z^5+4z^3+z-2=? Note that we will NOT use the quadratic formula to solve for ...

4:22
If z^2=z-1, then z^5+4z^3+z-2=? (DON'T SOLVE FOR z)

12,368 views

2 weeks ago

bprp math basics
If 2^x=125 and 5^y=128, then xy=?

We will solve a fun algebra question: If 2^x=125 and 5^y=128, then xy=? We will use both the logarithms and the rules of ...

5:51
If 2^x=125 and 5^y=128, then xy=?

40,421 views

4 weeks ago

blackpenredpen
My first abstract algebra problem in 14 years!

Thankfully, I still remember some abstract algebra : ) We are going to show that in a group G, if a^2=1 for every a in G, then gh=hg ...

6:56
My first abstract algebra problem in 14 years!

100,978 views

3 months ago

bprp fast
When a calculus teacher says “I will only put 1 integral on the test”

Calculus Teacher: “the test will only have 1 integral”. The Test: #shorts #funny #calculus #APcalculus #mathteacher.

0:18
When a calculus teacher says “I will only put 1 integral on the test”

382,251 views

4 years ago

bprp fast
Une astuce mathématique ultra rapide pour les racines carrées imbriquées

Pourquoi ça marche : √((x+y) + 2√xy) = √(√(x)+√y)²) = √x + √y 👉 Cliquez ici pour vous abonner : https://bit.ly ...

0:20
Une astuce mathématique ultra rapide pour les racines carrées imbriquées

77,053 views

5 years ago

blackpenredpen
"Dear Bprp, I have a pretty unusual question": If sqrt(a+sqrt(a+sqrt(a)))=128, then floor(a)=?

Got this from a viewer, Yavuz. The question is if sqrt(a+sqrt(a+sqrt(a)))=128, then floor(a)=? Make sure you don't square both ...

10:42
"Dear Bprp, I have a pretty unusual question": If sqrt(a+sqrt(a+sqrt(a)))=128, then floor(a)=?

57,739 views

9 months ago

bprp fast
Baby calculus vs adult calculus
0:27
Baby calculus vs adult calculus

667,224 views

2 years ago

bprp fast
Integral of abs(x) in 44 seconds!

Check out @EpicMathTime for another approach: https://youtu.be/ScxCpnLKILA More fun algebra #shorts videos: ...

0:44
Integral of abs(x) in 44 seconds!

317,328 views

4 years ago