+0  
 
0
80
3
avatar

"et a, b, c, and d be the roots of x^4 + 8x^3 + 9x^2 + 5x + 4 = 0. Find the value of 1/ab + 1/ac + 1/ad + 1/bc + 1/bd + 1/cd.

 Jan 13, 2020
 #1
avatar+108771 
+1

Start by getting a common denominator then I will help more.

 Jan 13, 2020
 #2
avatar
+1

i think you're supposed to use vieta's formulas for it

Guest Jan 13, 2020
 #3
avatar+108771 
+1

Yes you do have to use Vieta's formulas.

First you have to get a common denominator.

Melody  Jan 13, 2020

26 Online Users

avatar
avatar