The minimum number of equal length subintervals needed to approximate ∫₁² x eˣ…

GATE · 2008 · CS

The minimum number of equal length subintervals needed to approximate ∫₁² x eˣ dx to an accuracy of at least (1/3) × 10⁻⁶ using the trapezoidal rule is

  1. A.

    1000 e

  2. B.

    1000

  3. C.

    100 e 

  4. D.

    100

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Correct answer: A

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