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Black Book Advanced Problems in MathematicsMathematicsIndefinite and Definite Integration

Which of the following function(s) is/are even ?

Options

  1. Af(x) = ₀^x (t + 1 + t^2 ) dt
  2. Bg(x) = ₀^x (2^t + 1)t 2^t - 1 dt
  3. Ch(x) = ₀^x ( 1 + t + t^2 - 1 - t + t^2 ) dt
  4. Dl(x) = ₀^x ( 1 - t 1 + t ) dt

Correct answer

A. f(x) = ₀^x (t + 1 + t^2 ) dt

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