MCQ
$\int \frac{ e ^x(x-1)}{x^2} d x=$___
- A$x e ^{-x}+c$
- B$\frac{ e ^x}{x^2}+c$
- C$\left(x-\frac{1}{x}\right) e ^x+c$
- ✓$\frac{ e ^x}{x}+c$
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| $\mathrm{X}=x_i$ | 0 | 1 | 3 | 5 |
| P($\mathrm{X}=x$) | 0.2 | 0.5 | 0.2 | 0.1 |