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Let f(x) = ⎩ ⎨ ⎧ ≤ < ≤ ≤ − 2 x 0 2, – x 0 x 2 – , 2 and h(x) = f(|x|) + |f(x)|. Then dx ) x ( h 2 2 ∫ − is equal to-

1. 2
2. 4
3. 1
4. 6

Correct answer: 2

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