Tips to be a better problem solver [Last lecture] | Lockdown math ep. 10


From 3Blue1Brown.

Tips on problem-solving, with examples from geometry, trig, and probability.
Past episodes with integrated quizzes:
Full playlist:
Home page:
Brought to you by you:
Huge huge thanks to Ben Eater:
And Cam Christensen, creator of ItemPool:

Notes by Ngân Vũ:

50:35, there should be a dx in the integral
54:40, if you notice the mistake here and are inclined to complain, keep watching

Video timeline (thanks to user "noonesperfect")
0:34 9-Problem Solving Principles/Tip
1:15 Question 1 (Probability)
2:08 Who is Ben Eater?
4:25 Inscribed angle theorem, θL=2*θs
5:58 Tip-1
7:48 Tip-2
8:16 Question 2
9:34 Answer 2
10:29 Tip-3
15:17 Tip-4
22:48 Question 3
25:56 Answer 3 (Marked incorrectly, Answer: Option D)
26:31 Answer 1
27:28 Explanation for Q1, Floor function
30:38 Tip-5
32:53 Tip-6
33:36 Question 4
34:43 Answer 4
36:37 Question 5
38:10 Answer 5
41:48 Probability graph in Desmos
44:08 Revisiting an alternating series sum for ln(2)
47:29 Tip-7
51:08 Tip-8
55:23 Audience questions through tweets
57:28 Tip-9
58:29 Python programming for various probability question
1:04:31 Arts created using Desmos graph tool with mathematical expressions
1:05:54 Thank you, appreciation to the team and all.
The live question setup with stats on-screen is powered by Itempool.

Curious about other animations?

Music by Vincent Rubinetti.
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If you want to contribute translated subtitles or to help review those that have already been made by others and need approval, you can click the gear icon in the video and go to subtitles/cc, then "add subtitles/cc". I really appreciate those who do this, as it helps make the lessons accessible to more people.


3blue1brown is a channel about animating math, in all senses of the word animate. And you know the drill with YouTube, if you want to stay posted on new videos, subscribe:

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