Which of the following pairs of operators commute? · ABC26PH0271

Subject: Physical Chemistry · Chapter: Atomic Structure · Topic: Atomic Structure – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Easy

Which of the following pairs of operators commute?

(a)$x$ and $\frac{d}{dx}$

(b)$\frac{d}{dx}$ and $\frac{d^2}{dx^2} + 2\frac{d}{dx}$

(c)$x^2\frac{d}{dx}$ and $\frac{d^2}{dx^2}$

(d)$x^2$ and $\frac{d}{dx}$

Answer

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Explanation

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