Melody

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Имя пользователяMelody
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Melody  11 февр. 2022 г.
 #1
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+5
18 апр. 2015 г.
 #2
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+5

 

$$\\8x^3+4x^2-4x-1=0\\$$

this one is not jumping out at me.    

Here is the graph showing the 3 real solutions

https://www.desmos.com/calculator/xhxudxv72l

 

and

 

$$y^3+4y^2+3y-1=0$$

this one is not jumping out at me either.    

https://www.desmos.com/calculator/b5cmcqjhv0

 

You could use Newton's method of approximating roots to get the answers.   :)

Do you know about that?

18 апр. 2015 г.
 #10
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0
18 апр. 2015 г.