Easy Mathematics Chapter 1: Real Numbers Class 10 Level 17

कौन सा नियम \(\sqrt{2}\) के प्रमाण में बार-बार उपयोग होता है?

Which rule is repeatedly used in the proof of \(\sqrt{2}\)?

Explanation opens after your attempt
Correct Answer

A. यदि किसी संख्या का वर्ग सम है, तो संख्या सम हैIf the square of a number is even, the number is even

Step 1

Concept

From \(a^2=2b^2\), \(a^2\) is even.

Step 2

Why this answer is correct

By the rule, (a) is even, and later (b) is also even.

Step 3

Exam Tip

Understanding this rule clearly is important. चरण 1: \(a^2=2b^2\) से \(a^2\) सम मिलता है। चरण 2: नियम से (a) सम मिलता है और आगे (b) भी सम मिलता है। चरण 3: इस नियम को स्पष्ट रूप से समझना जरूरी है।

FAQs

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. यदि किसी संख्या का वर्ग सम है, तो संख्या सम है / If the square of a number is even, the number is even.

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