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ExamsJEE MainMaths

Let g(x) be an integrable function such that \(\int g(x)\,dx = g(x)\). Consider the following statements: Statement 1: \(\int g(x)\,[f(x)-f''(x)]\,dx = g(x)\,[f(x)-f'(x)] + C\) Statement 2: \(\int g(x)\,[f(x)+f'(x)]\,dx = g(x)f(x) + C\) Which of the following is correct?

  1. Statement 1 is true, Statement 2 is true, and Statement 2 correctly explains Statement 1
  2. Statement 1 is true, Statement 2 is true, but Statement 2 does not correctly explain Statement 1
  3. Statement 1 is false, Statement 2 is true
  4. Statement 1 is true, Statement 2 is false

Correct answer: Statement 1 is true, Statement 2 is true, but Statement 2 does not correctly explain Statement 1

Solution

Both statements are true as they correctly apply integration by parts and the properties of integrable functions. However, Statement 2 does not provide a logical reasoning or connection that clarifies the reasoning behind Statement 1.

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