Question

if ( x - 1 ) is a factor of the polynomial p(x) = 3x^4 - 4x^3 - ax + 2 then find the value of 'a' ?

Answer 1

x-1=0

x=1

then , p(x) = 3x∧4 - 4x³ -ax +2

p(1) = 3 * (1)∧4 - 4* (1)³- a* 1 +2

=3-4-a+2

=5-4-a

=1-a

a=1