Question

If x minus 2 is a factor of x cube minus 3 X + 5 8 then find the value of a

Answer 1

Answer

p(x)=0

X-2=0

X=2

Putting the value of x in the given polynomial we get,

(2)^3-3(2)+5a=0

8-6+5a=0

2+5a=0

5a=-2

a=-2/5

a=-0.4