Medium Mathematics Chapter 1: Real Numbers Class 10 Level 16

कौन सा विकल्प तीनों प्रमाणों में गलत तरीका है?

Which option is a wrong method in all three proofs?

Explanation opens after your attempt
Correct Answer

A. वर्गमूल को अंदर की संख्या के बराबर मान लेनाTaking the square root equal to the number under it

Step 1

Concept

Treating \(\sqrt{2}\), \(\sqrt{3}\), and \(\sqrt{5}\) as (2), (3), and (5) is wrong.

Step 2

Why this answer is correct

The correct method assumes rationality, writes a fraction, and squares.

Step 3

Exam Tip

Do not write a square root equal to the number under it. चरण 1: \(\sqrt{2}\), \(\sqrt{3}\), और \(\sqrt{5}\) को क्रमशः (2), (3), और (5) के बराबर मानना गलत है। चरण 2: सही विधि में परिमेय मानकर भिन्न रूप लेते हैं और वर्ग करते हैं। चरण 3: वर्गमूल को अंदर की संख्या के बराबर न लिखें।

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. वर्गमूल को अंदर की संख्या के बराबर मान लेना / Taking the square root equal to the number under it.

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