Blackpenredpen

Believe in geometry, not squaring both sides! 6:37
Believe in geometry, not squaring both sides! blackpenredpen 294,194 11 месяцев назад
Oxford MAT asks: sin(72 degrees) 9:07
Oxford MAT asks: sin(72 degrees) blackpenredpen 147,857 7 месяцев назад
Which is the worst math debate: 0^0, sqrt(1), 0.999...=1, or 12/3(4)? 7:35
Which is the worst math debate: 0^0, sqrt(1), 0.999...=1, or 12/3(4)? blackpenredpen 446,462 9 месяцев назад
Solving x^5=1 9:49
Solving x^5=1 blackpenredpen 180,219 2 месяца назад
They didn't get this integral right, so here's the solution (Berkeley Math Tournament Integral bee) 5:37
They didn't get this integral right, so here's the solution (Berkeley Math Tournament Integral bee) blackpenredpen 97,647 1 месяц назад
100 integrals (world record?) 5:50:23
100 integrals (world record?) blackpenredpen 11,881,220 5 лет назад
so you want a VERY HARD math question?! 13:51
so you want a VERY HARD math question?! blackpenredpen 1,081,375 2 года назад
Solving sin(x)^sin(x)=2 10:46
Solving sin(x)^sin(x)=2 blackpenredpen 410,754 3 года назад
You, me, and my first International Math Olympiad problem 31:21
You, me, and my first International Math Olympiad problem blackpenredpen 598,405 4 года назад
100 integrals part 2 (this is passion!) 8:47:51
100 integrals part 2 (this is passion!) blackpenredpen 2,051,554 2 года назад
so you want a HARD integral from the Berkeley Math Tournament 22:28
so you want a HARD integral from the Berkeley Math Tournament blackpenredpen 565,578 2 года назад
the ultimate integral starter (u sub, IBP, trig sub, partial fractions & more) 5:56:58
the ultimate integral starter (u sub, IBP, trig sub, partial fractions & more) blackpenredpen 1,083,588 5 лет назад
Math for fun, sin(z)=2 19:32
Math for fun, sin(z)=2 blackpenredpen 1,848,089 7 лет назад
if x+y=8, find the max of x^y (Lambert W function) 12:59
if x+y=8, find the max of x^y (Lambert W function) blackpenredpen 763,212 1 год назад
Hate to be that guy but I need the extra credit! Reddit complex numbers r/theydidthemath 4:58
Hate to be that guy but I need the extra credit! Reddit complex numbers r/theydidthemath bprp math basics 2,400,544 10 месяцев назад
My first calculus 3 limit on YouTube 11:08
My first calculus 3 limit on YouTube blackpenredpen 102,477 10 месяцев назад
Finding the BIGGEST rectangle under y=x^3 (but NO calculus!) 9:15
Finding the BIGGEST rectangle under y=x^3 (but NO calculus!) blackpenredpen 51,204 54 года назад
A proof for sin(a+b) and cos(a+b) that you probably haven’t seen before 6:29
A proof for sin(a+b) and cos(a+b) that you probably haven’t seen before blackpenredpen 45,317 1 месяц назад
You probably haven't solved a square root equation like this before 6:46
You probably haven't solved a square root equation like this before blackpenredpen 79,540 1 месяц назад
You don't need calculus for this question 7:57
You don't need calculus for this question blackpenredpen 30,939 2 месяца назад
Finding the domain of x^x 8:02
Finding the domain of x^x blackpenredpen 26,834 1 месяц назад
Can we just keep taking the natural logarithm? 8:39
Can we just keep taking the natural logarithm? blackpenredpen 61,802 5 месяцев назад
Can you solve these 3 calculus tiebreakers the fastest? (2023 Berkeley Math Tournament) 10:20
Can you solve these 3 calculus tiebreakers the fastest? (2023 Berkeley Math Tournament) blackpenredpen 28,692 2 месяца назад
Solving x^5=1 9:49
Solving x^5=1 blackpenredpen 180,219 2 месяца назад
Is x^x=0 solvable? 9:55
Is x^x=0 solvable? blackpenredpen 314,902 3 месяца назад
Is this equation solvable? x^ln(4)+x^ln(10)=x^ln(25) 9:44
Is this equation solvable? x^ln(4)+x^ln(10)=x^ln(25) blackpenredpen 102,523 9 месяцев назад
How do I find x? Exponential equation with two different bases. Reddit precalculus r/Homworkhelp 7:47
How do I find x? Exponential equation with two different bases. Reddit precalculus r/Homworkhelp bprp math basics 1,240,582 10 месяцев назад
4 Horsemen of Integration Apocalypse 11:51
4 Horsemen of Integration Apocalypse bprp calculus basics 115,525 1 год назад
How to solve the three-circle problem from the 2022 GCSE math exam 8:33
How to solve the three-circle problem from the 2022 GCSE math exam blackpenredpen 86,379 7 месяцев назад
You probably haven't solved a quartic equation like this before! 12:59
You probably haven't solved a quartic equation like this before! blackpenredpen 46,850 12 дней назад
You probably haven't solved a square root equation like this before 6:46
You probably haven't solved a square root equation like this before blackpenredpen 79,540 1 месяц назад
solving equations but they get increasingly more impossible? 11:25
solving equations but they get increasingly more impossible? blackpenredpen 564,740 2 года назад

Сейчас ищут