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prime divisor MCQ Questions for Class 10

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Practice Questions

1 questions tagged with prime divisor.

Question 1/1 Easy Mathematics Chapter 1: Real Numbers 6: Proof of irrationality of √2, √3, √5 Class 10 Level 17

कौन सा नियम \(\sqrt{3}\) और \(\sqrt{5}\) की सिद्धि में समान रूप से उपयोगी है?

Which rule is equally useful in the proofs of \(\sqrt{3}\) and \(\sqrt{5}\)?

Explanation opens after your attempt
Correct Answer

A. यदि अभाज्य संख्या किसी वर्ग को विभाजित करती है, तो वह मूल संख्या को भी विभाजित करती हैIf a prime divides a square, it also divides the original number

Step 1

Concept

(3) and (5) are both prime.

Step 2

Why this answer is correct

If they divide \(a^2\), they also divide (a).

Step 3

Exam Tip

This rule leads to the common factor. चरण 1: (3) और (5) दोनों अभाज्य हैं। चरण 2: यदि ये \(a^2\) को विभाजित करते हैं, तो (a) को भी विभाजित करेंगे। चरण 3: यही नियम साझा गुणनखंड तक ले जाता है।

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