2010013805

Level: 
Project ID: 
2010013805
Source Problem: 
Accepted: 
0
Clonable: 
1
Easy: 
0
Let \(\mathrm{sgn}(x) = \begin{cases} 1, & x > 0 \\ 0, & x = 0.\\ -1, & x < 0\end{cases}\) Evaluate the following definite integral. \[\int\limits_{-2}^{-1}\left(\mathrm{sgn}(x-1)+1\right)\, \mathrm{d}x \]
\(0\)
\(-1\)
\(2\)
This integral cannot be evaluated.