14-02-2019
Mathematics

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help please !! im unsure how to do sigma abc (you can ignore the other ones, just need sigma abc) Tysm!!!

help please im unsure how to do sigma abc you can ignore the other ones just need sigma abc Tysm class=

Respuesta :

14-02-2019

oh Viete's Formula, i'll just show you a) as example

∑a = 16/2 = 8

∑ab = 24/2 = 12

∑abc = 3/2

abcd = 4/2 = 2
and ∑abc = - koef x/koef x⁴

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