Question

If x + a is a factor of x4 - a²x2 + 3x – 6a, then find the value of a.​

Answer 1

Answer:

Step- by-step explanation:

Put x+a=0

x= -a

x^4-a²x²+3x-6a

= (-a)^4 -a²(-a)² +3(-a)-6a

=a^4- a^4-9a

=-9a

As x+a is a factor, remainder =0

-9a =0

a= 0