9000079105

Level: 
Project ID: 
9000079105
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
0
Find all the $x$ at which the function $f$ has local extrema. \[ f(x)= \left (1 - x^{2}\right )^{3} \]
\(x=0\)
\(x_1=0\), \(x_2=1\)
\(x_1=- 1\), \(x_2=1\)
\(x_1=- 1\), \(x_2=0\), \(x_3=1\)