Question

If alpha and bita are the zeros of the polynomial p(x) =3x square-12x+15 ,find the value of alpha square +bits square

Answer 1

Answer:

We know that

Alpha + Beta = -b/a

Alpha + Beta = 12/3= 4

We also know that

Alpha×Beta=c/a

Alpha×Beta=15/3

Alpha×Beta=5

Now

Alpha²+Beta²=(Alpha+Beta)²-2Alpha×Beta

4-5×2

=-6 ans

Step-by-step explanation: