Mathematics · JEE | APPLICATION OF DERIVATIVES

Let \( f(x) = x^3 - 6x^2 + 9x + 15 \). The point of local minima for this function is:

1. A
   \( x = 3 \)
2. B
   \( x = 1 \)
3. C
   \( x = 0 \)
4. D
   \( x = -1 \)