Question

check wheather 1/3are the zero of
the polynomial p(X)=3xcube -5xsqare -11x-3​

Answer 1

Answer:

3(1/3)³ - 5(1/3)² - 11(1/3) - 3 == 1/9-5/9-11/3-3 == -4/9 - 11/3 -3 == -37/9 - 3 ≠0

Hence 1/3 is not zero of this polynomial