Hard Mathematics Chapter 1: Real Numbers Class 10 Level 17

कौन सा विकल्प \(\sqrt{2}\), \(\sqrt{3}\), और \(\sqrt{5}\) की सिद्धियों का सही सामान्य ढांचा देता है?

Which option gives the correct common structure of the proofs of \(\sqrt{2}\), \(\sqrt{3}\), and \(\sqrt{5}\)?

Explanation opens after your attempt
Correct Answer

A. परिमेय मानना, सरलतम भिन्न लिखना, वर्ग करना, साझा गुणनखंड से विरोधाभास लेनाAssume rational, write a lowest-form fraction, square, get contradiction from a common factor

Step 1

Concept

First assume the number rational and write it as \(\frac{p}{q}\) in lowest form.

Step 2

Why this answer is correct

Squaring gives a divisibility equation.

Step 3

Exam Tip

Finally, a common factor gives contradiction and proves irrationality. चरण 1: पहले संख्या को परिमेय मानकर \(\frac{p}{q}\) के सरलतम रूप में लिखते हैं। चरण 2: वर्ग करने से विभाज्यता वाला समीकरण मिलता है। चरण 3: अंत में साझा गुणनखंड से विरोधाभास बनाकर अपरिमेयता सिद्ध करते हैं।

FAQs

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. परिमेय मानना, सरलतम भिन्न लिखना, वर्ग करना, साझा गुणनखंड से विरोधाभास लेना / Assume rational, write a lowest-form fraction, square, get contradiction from a common factor.

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