Math Olympiad Exam | Lambert W Function
561K views · Aug 3, 2023 · Education
Comments · 679
@김태현-x4x · 2 years ago
I hope my car navigation NEVER gives me the directions like this
29
@mikeinjapan2004 · 2 years ago
Only mathematicians appreciate this elegant solution! Nice introduction to Lambert function.
86
@Tempest32_ · 2 years ago (edited)
Everyone is acting like what he did in this video uses unnecessary steps, but the goal of this video is not just to teach you how to solve 3^x+x=30, it is to teach you how to use the Lambert function to solve for x in similar situations.
35
@omarkandou6794 · 3 years ago
We can just notice that 3power(3)+3=30. Since the function x------3power(x)+x is increasing. Then 3 is the unique solution.
592
@johnhebert3855 · 5 months ago
A rare instance where the right side of the equation can be put into the W form and simplified with a actual number. Nice.
1
@かーぼん_1125 · 3 years ago
3が解になって左辺は明らかに単調増加関数だから3しか解になり得ないっていうのが一番楽
5
@tungyeeso3637 · 2 years ago
This is my approach: Plot a graph using y=3^x and y=30-x, the solution can be found where the curves meet. Simple and easy.
44
@Chickenworm9394 · 3 years ago
Am i the only one who can calculate the answer 3 without even thinking?
7
@matematicasfacilesysencillas38 · 8 months ago
Great way to solve equations 😊😊😊😊
@RobloxIsGarbageNow · 3 years ago
only reason it looks hard is because “Show your work.” exists
2
@somatematicaemaisnada4648 · 2 years ago
Wow, this video on Math Olympiad Exam | Lambert W Function is so informative! I appreciate the detailed breakdown and the insights you've shared here.
2
@jayant8363 · 2 years ago
Beautiful solution. Thank you
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