A Factorial Equation | n! = n^2 + 19n

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Комментарии
Автор

Can you explain how the k came into play and the 19 increased to 20. Genuinely curious 😅

kristyhulse
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how do u know k = 4 is the only soultion?

doggo
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very nice, but where is the thank you for this is my favorite part😃💯

yoav
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So sir after cancelling n on both the sides. We take n-1= k so (k+1)+19 so that's reason it's become k+ 20 so the value becomes 4 then n-1=4 n=4+1= 5. So the answer becomes 5

Soumalya-jj
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Sir will it has only one solution n=5
And Isn't it a quadratic equation

amangoyal
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Why? Seriously, why? If you make a video about a standard math problem, at least do it correctly. What the hell happened in the end? You just guessed a result, and that's it? You could have done that in the beginning, without any calculation. The more interesting part of the solution is to show that 5 is THE ONLY solution. It is not very hard either, but at least it is not absolutely trivial. (Unlike finding that 5 is a good solution, which is ridiculously easy.)

andraspongracz