Posted by TUHITUHI on .
if x2 is a factor of polynomial x cube  2ax square + ax  1 what is the value of a ??

math 
Reiny,
let f(x) = x^3  2ax^2 + ax  1
if x2 is a factor, then f(2) = 0
f(2) = 8 8a + 2a  1 = 0
6a = 7
a = 7/6