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common proof structure MCQ Questions for Class 10

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Practice Questions

1 questions tagged with common proof structure.

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

\(\sqrt{2}\), \(\sqrt{3}\), और \(\sqrt{5}\) की सिद्धियों में किस बात से प्रमाण पूरा होता है?

What completes the proofs of \(\sqrt{2}\), \(\sqrt{3}\), and \(\sqrt{5}\)?

Explanation opens after your attempt
Correct Answer

A. सरलतम भिन्न के अंश और हर में साझा गुणनखंड दिखाकर विरोधाभास लिखनाShowing a common factor in numerator and denominator of a lowest-form fraction and writing contradiction

Step 1

Concept

All three proofs start with the rational assumption.

Step 2

Why this answer is correct

At the end, the same prime factor is found common in numerator and denominator.

Step 3

Exam Tip

This is impossible in a lowest-form fraction, so the proof is completed by contradiction. चरण 1: तीनों प्रमाण परिमेय मान्यता से शुरू होते हैं। चरण 2: अंत में अंश और हर में वही अभाज्य गुणनखंड साझा मिल जाता है। चरण 3: सरलतम भिन्न में ऐसा होना असंभव है, इसलिए विरोधाभास से सिद्धि पूरी होती है।

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