Question

if x-2 is a factor of x³-2ax²+ax-1 then the value of a is​

Answer 1

Answer:

$x - 2 \: is \: a \: factor \: then$

$x - 2 = 0$

$x = 2$

$(2) {}^{3} - 2a(2) {}^{2} + 2a - 1 = 0$

$8 - 8a + 2a - 1 = 0$

$7 - 6a = 0$

$6a = 7$

$a = \frac{7}{6}$

Answer 2

Answer:

$a = \frac{7}{6}$