Prove √3, 3√5, and 5 - √7 are Irrational Numbers (CBSE Class-10 Daily Videos)

Welcome! In this video, we learn how to prove numbers such as √3, 3√5, and 5 - √7 are indeed irrational numbers. We go through detailed step-by-step analysis. We look at a very important theorem that we use (that theorem is based on The Fundamental Theorem of Arithmetic). We prove such problems by method of Contradiction. These problems typically carry 3-marks in CBSE Class-10 board exams.

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