Medium Mathematics Chapter 1: Real Numbers Class 10 Level 18

कौन सा विकल्प \(\sqrt{5}\) की सिद्धि में अधूरा प्रमाण दिखाता है?

Which option shows an incomplete proof of \(\sqrt{5}\)?

Explanation opens after your attempt
Correct Answer

A. केवल \(p^2=5q^2\) लिखकर रुक जानाStopping after only writing \(p^2=5q^2\)

Step 1

Concept

\(p^2=5q^2\) is a middle step of the proof.

Step 2

Why this answer is correct

After this, both (p) and (q) must be shown divisible by (5).

Step 3

Exam Tip

The proof is incomplete without contradiction and conclusion. चरण 1: \(p^2=5q^2\) प्रमाण का मध्य चरण है। चरण 2: इसके बाद (p) और (q) दोनों (5) से विभाज्य दिखाने होते हैं। चरण 3: विरोधाभास और निष्कर्ष लिखे बिना प्रमाण पूरा नहीं होता।

FAQs

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. केवल \(p^2=5q^2\) लिखकर रुक जाना / Stopping after only writing \(p^2=5q^2\).

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