sophx
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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 :

5naka
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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