Answer: 1.
- A 0
- B 1
- C e
- D -1
Correct answer: B. 1
Explanation: [ln x] from 1 to e = ln e - ln 1 = 1 - 0 = 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