Expert Mathematics Chapter 1: Real Numbers Class 10 Level 17

यदि (p) और (q) सहअभाज्य हैं, तो \(\sqrt{5}\) के प्रमाण में \(5\mid p\) और \(5\mid q\) मिलना किस बात का संकेत है?

If (p) and (q) are coprime, what does obtaining \(5\mid p\) and \(5\mid q\) in the proof for \(\sqrt{5}\) indicate?

Explanation opens after your attempt
Correct Answer

A. प्रारंभिक परिमेय मान्यता गलत हैThe initial rational assumption is false

Step 1

Concept

Coprime numbers have no common factor except (1).

Step 2

Why this answer is correct

\(5\mid p\) and \(5\mid q\) make (5) a common factor.

Step 3

Exam Tip

Therefore the rational assumption is proved false. चरण 1: सहअभाज्य संख्याओं में (1) के अलावा कोई साझा गुणनखंड नहीं होता। चरण 2: \(5\mid p\) और \(5\mid q\) से (5) साझा गुणनखंड बनता है। चरण 3: इसलिए परिमेय मान्यता गलत सिद्ध होती है।

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The correct answer is A. प्रारंभिक परिमेय मान्यता गलत है / The initial rational assumption is false.

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