sophx
sophx sophx
  • 14-02-2019
  • Mathematics
contestada

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=

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5naka
5naka 5naka
  • 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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