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Paragraph: Let l= _a^b |x| x d x, a b Question: What is l equal to when a b 0 ?

Options

  1. Aa+b
  2. Ba-b
  3. Cb-a
  4. D(a+b) 2

Correct answer

B. a-b

Step-by-step solution

a b 0 _a^b |x| x d x= _a^b -x x d x=a-b

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