Question

If x-1 is a factor of
P(x)=x3−3x2−ax+8 then the reminder when P(x) is divided by x-2, is K.
Then the value of K+27 is???​

Answer 1

Answer:

x=2

8-12-2a+8=k

4-2a=k--------(1)

x=1

1-3-a+8=0

-a+6=0

a=6---------(2)

from 1&2 we get

k= -8

k + 27 = 19