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prime basis MCQ Questions for Class 10

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Practice Questions

1 questions tagged with prime basis.

Question 1/1 Hard Mathematics Chapter 1: Real Numbers 6: Proof of irrationality of √2, √3, √5 Class 10 Level 16

\(\sqrt{5}\) की सिद्धि में \(p^2=5q^2\) से (p) (5) से विभाज्य सिद्ध होता है। यह किस पर निर्भर करता है?

In the proof of \(\sqrt{5}\), (p) is proved divisible by (5) from \(p^2=5q^2\). What does this depend on?

Explanation opens after your attempt
Correct Answer

A. (5) के अभाज्य होने परOn (5) being prime

Step 1

Concept

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

Step 2

Why this answer is correct

If a square is divisible by a prime, the original number is also divisible by that prime.

Step 3

Exam Tip

So (5) being prime is the main basis here. चरण 1: \(p^2=5q^2\) से \(p^2\) (5) से विभाज्य है। चरण 2: किसी अभाज्य संख्या से वर्ग विभाज्य हो, तो मूल संख्या भी उससे विभाज्य होती है। चरण 3: इसलिए (5) का अभाज्य होना यहां मुख्य आधार है।

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