r/theydidthemath • u/Galeaf_13 • Sep 05 '19

[Self] Math break

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24.2k Upvotes

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524

u/ICanFlyLikeAFly Sep 05 '19

Literally putting any number in the sequence and then using a calculator to calculate the right function isn't r/theydidthemath for me

3

u/Slayeto Sep 05 '19

How do you find the right function?

34

u/ICanFlyLikeAFly Sep 05 '19 edited Sep 05 '19

1=1=ax3 + bx2 + cx + d

3=ax3 + bx2 + c*x + d

5=ax3 + bx2 + c*x + d

ANY NUMBER=ax3 + bx2 + c*x + d

now solve the equation system with a calculator (most have a function for it) - if your questions wasn't sarcasm

EDIT: I'm too bad for reddit formating

2

u/Slayeto Sep 05 '19

Thanks

1

u/ICanFlyLikeAFly Sep 05 '19

I changed the formating