Hard Mathematics Chapter 1: Real Numbers Class 10 Level 16

\(\sqrt{5}\) के प्रमाण में \(p^2=5q^2\) मिलने के बाद कौन सा निष्कर्ष तुरंत नहीं निकाला जा सकता?

In the proof of \(\sqrt{5}\), after getting \(p^2=5q^2\), which conclusion cannot be drawn immediately?

Explanation opens after your attempt
Correct Answer

A. (q) (5) से विभाज्य है(q) is divisible by (5)

Step 1

Concept

From \(p^2=5q^2\), \(p^2\) is immediately divisible by (5).

Step 2

Why this answer is correct

Then (p) is divisible by (5) and (p=5k) can be written.

Step 3

Exam Tip

Divisibility of (q) comes after substituting (p=5k), not immediately. चरण 1: \(p^2=5q^2\) से तुरंत \(p^2\) (5) से विभाज्य है। चरण 2: फिर (p) (5) से विभाज्य और (p=5k) लिखा जा सकता है। चरण 3: (q) की विभाज्यता (p=5k) रखने के बाद आती है, तुरंत नहीं।

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The correct answer is A. (q) (5) से विभाज्य है / (q) is divisible by (5).

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