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false assumption MCQ Questions for Class 10

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1 questions tagged with false assumption.

Question 1/1 Medium Mathematics Chapter 1: Real Numbers 6: Proof of irrationality of √2, √3, √5 Class 10 Level 16

किस स्थिति में \(\sqrt{2}\) की परिमेय मान्यता गलत सिद्ध हो जाती है?

In which situation is the rational assumption for \(\sqrt{2}\) proved false?

Explanation opens after your attempt
Correct Answer

A. जब सरलतम रूप के (p) और (q) दोनों सम सिद्ध होंWhen (p) and (q) in lowest form are both proved even

Step 1

Concept

In lowest form, (p) and (q) should be coprime.

Step 2

Why this answer is correct

If both are proved even, both have common factor (2).

Step 3

Exam Tip

This is impossible, so the rational assumption is false. चरण 1: सरलतम रूप में (p) और (q) सहअभाज्य होने चाहिए। चरण 2: दोनों सम सिद्ध होने पर दोनों में (2) साझा गुणनखंड होगा। चरण 3: यह असंभव है, इसलिए परिमेय मान्यता गलत है।

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