Question

Find the value of 'a' such that (x-1) is the factor of x² + ax +9.

• A. a = -10
• B. a = 9
• C. a = -9
• D. a = 10

Answer 1

The correct option is A

a = -10

Since, (x-1) is the factor of p(x)

p(1) should be zero