Question

verify that 3,-1,1/3 are the zeroes of the cubic polynomials.p(x)=3x^3-5x^2-11x-3​

Answer 1

Answer:

p(3)=3(3)^3-5(3)^2-11(3)-3

=3(27)-5(9)-33-3

=81-45-33-3

=0

p(-1)=3(-1)^3-5(-1)^2-11(-1)-3

=3(-1)-5+11-3

=-3-5+11-3

=0