Medium Mathematics Chapter 1: Real Numbers Class 10 Level 17

\(\sqrt{2}\) की सिद्धि में (p) और (q) दोनों सम मिलते हैं। इसे विरोधाभास क्यों कहा जाता है?

In the proof of \(\sqrt{2}\), both (p) and (q) are found even. Why is this called a contradiction?

Explanation opens after your attempt
Correct Answer

A. क्योंकि दोनों में (2) साझा गुणनखंड है, जबकि वे सहअभाज्य माने गए थेBecause both have common factor (2), while they were assumed coprime

Step 1

Concept

An even number is divisible by (2).

Step 2

Why this answer is correct

If both are even, (2) is a common factor.

Step 3

Exam Tip

Coprime numbers cannot have such a common factor. चरण 1: सम संख्या (2) से विभाज्य होती है। चरण 2: दोनों सम होने पर (2) साझा गुणनखंड है। चरण 3: सहअभाज्य संख्याओं में ऐसा साझा गुणनखंड नहीं हो सकता।

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. क्योंकि दोनों में (2) साझा गुणनखंड है, जबकि वे सहअभाज्य माने गए थे / Because both have common factor (2), while they were assumed coprime.

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