He is 94 and still teaching calculus!!! https://youtu.be/V9rrLp2CpPw?si=tZJqS... This is truly heartwarming so please consider subscribing to @ycmathematicsphysicsandche5659
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blackpenredpen
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4 days ago • blackpenredpen
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2 weeks ago • blackpenredpen
Helping you get the series problem right on your upcoming AP calc BC exam. Let's review the series FRQ from 2023 and 2022: https://youtu.be/pHSFB8_W3mc
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2 months ago • blackpenredpen
Which of the following is the worst math debate?
(A) 0^0 debate: 1 or undefined
(B) sqrt(1) debate: 1 or ±1
(C) 0.999... debate: =1 or ≠1
(D) 12÷3(4) debate: =1 or 16
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6 months ago • blackpenredpen
If you are learning εδ or other rigorous limit definitions for your calc 1 or real analysis class, this ultimate calculus tutorial is for you! https://youtu.be/AfrnYS5S8VE
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6 months ago • blackpenredpen
This video by @BiBenBap is too good not to share! https://youtu.be/qhFfOB-39GU?si=9E-n1...
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7 months ago • blackpenredpen
The Fall 2023 Berkeley Math Tournament will be held on the UC Berkeley campus on Saturday, Nov. 4th and I will be there! For more info and registration, check out https://berkeley.mt/events/bmt-2023/ . Here are some of the previous tournament problems! Enjoy!
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9 months ago • blackpenredpen
Top 3 factoring tricks that you probably didn’t know. Check it out here: https://youtu.be/lWymNeIjA20
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9 months ago • blackpenredpen
Let f(n)=2n+1and g(n)=4n. Let S be the set of positive integers that can be achieved by applying a combination of f’s and g’s to the number 0. How many positive integers ≤ 1024 are in S? *This question is modified from an Oxford Math Admissions Test*
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11 months ago • blackpenredpen
sqrt(x)+sqrt(20-x)=sqrt(20+20x-x^2) what is the sum of all the roots?
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