Q. If $3 x - 1$ is a factor of the polynomial $81 x^{3} - 45 x^{2} +$ $3 a - 6$ , then $a$ is

71 158 Polynomials and Square Roots of Algebraic Expressions Report Error

A

$\frac{8}{3}$

B

$\frac{- 7}{3}$

C

$\frac{- 10}{3}$

D

$\frac{11}{3}$

Solution:

Use factor theorem.