multple choice

[rachael724]

Find b so that x - 1 is a factor of x 5 + x 4 + x 2 + b.

a. -3
b. -4
c. -5
d. -6
e. none of these

 

[ting]

Use the factor theorem.

Substitute, x, with 1 in the equation below and solve for b


x^5 + x^4 + x^2 + b = 0