

InterviewSolution
Saved Bookmarks
1. |
Find the value of a, if x – a is a factor of x3 – ax2 + 2x + a – 1. |
Answer» Let p(x) = x3 – ax2 + 2x + a – 1 Since x – a is a factor of p(x), so p(a) = 0. i.e., a3 – a(a)2 + 2a + a – 1 = 0 a3 – a3 + 2a + a – 1 = 0 3a = 1 Therefore, a = 1/3 |
|