Question

If alpa and beta are the zeros of polynomial p(x)=3x2-12+15find the value of alpa square and beta square​

Answer 1

Answer:

p(x)=3x²-12x+15

=> α+β=-b/a= 12/3= 4

and αβ=c/a= 15/3= 5

α²+β²= (α+β)² -2αβ

=(4)² -2(5)

=16-10

= 6

hope it helps u......^_^