Expert Mathematics Chapter 1: Real Numbers Class 10 Level 15

यदि \(\sqrt{m}\) अपरिमेय है और (r) शून्य रहित परिमेय है तो \(\frac{\sqrt{m}}{r}\) कैसा होगा?

If \(\sqrt{m}\) is irrational and (r) is a non-zero rational number then what type is \(\frac{\sqrt{m}}{r}\)?

Explanation opens after your attempt
Correct Answer

B. सदैव अपरिमेयAlways irrational

Step 1

Concept

Dividing by a non-zero rational number is the same as multiplying by its reciprocal.

Step 2

Why this answer is correct

An irrational number multiplied by a non-zero rational number remains irrational.

Step 3

Exam Tip

Convert division questions into multiplication for easier reasoning. चरण 1: शून्य रहित परिमेय से भाग देना उसी के व्युत्क्रम से गुणा करना है। चरण 2: अपरिमेय संख्या को शून्य रहित परिमेय से गुणा करने पर अपरिमेय संख्या मिलती है। चरण 3: भाग के प्रश्नों को गुणा में बदलकर सोचें।

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What is the correct answer to this Mathematics MCQ?

The correct answer is B. सदैव अपरिमेय / Always irrational.

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