Hard Mathematics Chapter 1: Real Numbers Class 10 Level 18

किस कारण से \(\sqrt{3}=\frac{m}{n}\) मानना अंत में गलत सिद्ध होता है, जब (m,n) सहअभाज्य लिए गए हों?

Why is the assumption \(\sqrt{3}=\frac{m}{n}\) finally proved wrong when (m,n) are taken coprime?

Explanation opens after your attempt
Correct Answer

A. (m) और (n) दोनों (3) से विभाज्य निकलते हैं(m) and (n) both turn out divisible by (3)

Step 1

Concept

From \(\sqrt{3}=\frac{m}{n}\), we get \(m^2=3n^2\).

Step 2

Why this answer is correct

This leads to \(3\mid m\) and then \(3\mid n\).

Step 3

Exam Tip

Coprime numbers cannot have such a common factor. चरण 1: \(\sqrt{3}=\frac{m}{n}\) से \(m^2=3n^2\) मिलता है। चरण 2: इससे \(3\mid m\) और फिर \(3\mid n\) निकलता है। चरण 3: सहअभाज्य संख्याओं में ऐसा साझा गुणनखंड नहीं हो सकता।

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The correct answer is A. (m) और (n) दोनों (3) से विभाज्य निकलते हैं / (m) and (n) both turn out divisible by (3).

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