Expert Mathematics Chapter 1: Real Numbers Class 10 Level 18

\(\sqrt{2}\) के प्रमाण में \(q^2=2k^2\) मिलने पर (q) को सम कहने का कारण क्या है?

In the proof for \(\sqrt{2}\), why is (q) called even after getting \(q^2=2k^2\)?

Explanation opens after your attempt
Correct Answer

A. क्योंकि \(q^2\) सम है और सम वर्ग का आधार सम होता हैBecause \(q^2\) is even and the base of an even square is even

Step 1

Concept

From \(q^2=2k^2\), \(q^2\) is even.

Step 2

Why this answer is correct

If the square of an integer is even, the integer is also even.

Step 3

Exam Tip

Thus both (p) and (q) are found even. चरण 1: \(q^2=2k^2\) से \(q^2\) सम है। चरण 2: यदि किसी पूर्णांक का वर्ग सम है, तो वह पूर्णांक भी सम होता है। चरण 3: इस तरह (p) और (q) दोनों सम मिलते हैं।

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. क्योंकि \(q^2\) सम है और सम वर्ग का आधार सम होता है / Because \(q^2\) is even and the base of an even square is even.

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