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NDA2013MathematicsDefinite IntegrationActual

What is ₀^2 e^ x d x equal to?

Options

  1. A1
  2. B2
  3. C4
  4. DNone of the above

Correct answer

B. 2

Step-by-step solution

I = ₀^2 e^ x d x Let e^ (x) =y or, (x)= (y) aligned & x=y d x=d y & I = ₀^2 y d y= [ y^2 2 ]₀^2=2-0=2 aligned

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