Question

If Alfa and beta are the zeroes of the polynomial 3xsquare minus 2x minus 6 , find one by Alfa plus one by beta

Answer 1

please mark it as the brainliest

Answer 2

Answer:1/-3

Step-by-step explanation:

P(x)= 3x^2-2x-6

Let alpha=A

Beta=B

Now 1/A+1/B=A+B/AB

Here we know :

A+B=-b/a=-(-2)/3=2/3 .... (i)

AB=c/a=-6/3=-2 ... (ii)

From (i) and (ii)

We have, A+B/AB=2/3*1/-2=1/-3

Hope it was helpful..