Question

Verify that 1, 2 and 5 are the zeroes of the cubic polynomial p (x) = 2x3 - 9x2 + 13x - 6.
Then, verify the relationship between the zeroes and the coefficients of the polynomial.​

Answer 1

Answer:

p(1)=6-18+13-6

=19

p(2)=12-18+26-6

=-6+20

=14

p(5)=30-18+65-6

=12+59

=71