ISRO Electrical Engineering (EE) 2018 - Question 76

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What is the value of K = integral from 0 to 617π of |sin x| dx ?

  • A. 617
  • B. 1234
  • C. Zero
  • D. 617π

Answer: B. 1234

Explanation: ∫₀^π |sin x| dx = 2. Since |sin x| is π-periodic, the integral over 617 half-cycles is 617 × 2 = 1234.

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