### Home > CALC > Chapter 11 > Lesson 11.1.1 > Problem11-14

11-14.
1. Multiple Choice: If a > 0, f(x) = x + ax−2 will have a relative minimum at: Homework Help ✎

1. x = a

2. x = ± 2a

$f^\prime(x)=1-2ax^{-3}=0$