Posted by arpita on .
given that 6x^3+5a12a leaves a remainder of 4 when divided by (xa). what will be the possible value of a ?

algebra 
Steve,
Assuming a typo, we have
f(a) = 6a^3+5a^212a = 4
6a^3+5a^212a+4 = 0
(a+2)(2a1)(3a2) = 0
. . .