MCQ
$\int_1^5 {(|x - 3| + |1 - x|)\,dx} =$
- A$10$
- B$\frac{5}{6}$
- C$21$
- ✓$12$
$ = \int_1^3 { - (x - 3)dx + \int_3^5 {(x - 3)} \,dx + } \int_1^5 { - (1 - x)\,} dx$$ = 12$.
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