Answer: e-1.
- A 1
- B e
- C e-1
- D e+1
Correct answer: C. e-1
Explanation: [eˣ] from 0 to 1 = e¹ - e⁰ = e - 1.
The exact area under the curve from a to b (shaded) is approximated by a few rectangles, the Riemann sum idea behind the definite integral.
📐 Mathematics · Integrals · JEE