Hard Mathematics Chapter 1: Real Numbers Class 10 Level 16

\(\sqrt{2}\) की सिद्धि में कौन सा कथन सही है लेकिन गलत कारण के साथ दिया गया है?

Which statement is true but given with a wrong reason in the proof of \(\sqrt{2}\)?

Explanation opens after your attempt
Correct Answer

B. (p) सम है क्योंकि \(\sqrt{2}\) धनात्मक है(p) is even because \(\sqrt{2}\) is positive

Step 1

Concept

(p) being even may be true, but the reason is not the positivity of \(\sqrt{2}\).

Step 2

Why this answer is correct

The correct reason is that \(p^2=2q^2\) makes \(p^2\) even.

Step 3

Exam Tip

In proof writing, a true statement must have the correct reason. चरण 1: (p) का सम होना सही हो सकता है, पर इसका कारण \(\sqrt{2}\) का धनात्मक होना नहीं है। चरण 2: सही कारण \(p^2=2q^2\) से \(p^2\) सम मिलना है। चरण 3: प्रमाण में सही कथन के साथ सही कारण भी जरूरी है।

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What is the correct answer to this Mathematics MCQ?

The correct answer is B. (p) सम है क्योंकि \(\sqrt{2}\) धनात्मक है / (p) is even because \(\sqrt{2}\) is positive.

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