Question

If x - 2 is a factor of x ^ 3 - 2a * x ^ 2 + ax - 1 then the value of a is​

Answer 1

Step-by-step explanation:

$= > {x}^{3} - 2a {x}^{2} + ax - 1 = 0 \\ = > {2}^{3} - 2a {2}^{2} + a(2) - 1 = 0 \\ = > 8 - 8a + 2a - 1 = 0 \\ = > 7 - 6a = 0 \\ = > 7 = 6a \\ = > a = \frac{7}{6}$