Easy MCQ +4 / -1 PYQ · JEE Mains 2021

The value of the

integral $\int\limits_{ - 1}^1 {\log \left( {x + \sqrt {{x^2} + 1} } \right)dx}$ is :

  1. A 2
  2. B 0 Correct answer
  3. C $-$1
  4. D 1

Solution

Let $I = \int\limits_{ - 1}^1 {\log \left( {x + \sqrt {{x^2} + 1} } \right)dx}$<br><br>$\because$ $\log \left( {x + \sqrt {{x^2} + 1} } \right)$ is an odd function<br><br>$\therefore$ I = 0

About this question

Subject: Mathematics · Chapter: Definite Integration · Topic: Properties of Definite Integrals

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