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Question Expert Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

किस विकल्प में दिया गया कथन सही है?

Which given statement is correct?

Explanation opens after your attempt
Correct Answer

C. अशून्य परिमेय संख्या से अपरिमेय संख्या को गुणा करने पर परिणाम अपरिमेय होता हैMultiplying an irrational number by a non-zero rational number gives an irrational number

Step 1

Concept

A non-zero rational multiplier does not remove irrationality.

Step 2

Why this answer is correct

If the product were rational, the irrational number would become rational, a contradiction.

Step 3

Exam Tip

Be careful with universal statements about two irrational numbers. चरण 1: अशून्य परिमेय गुणक अपरिमेयता को समाप्त नहीं करता। चरण 2: यदि परिणाम परिमेय मानें, तो अपरिमेय संख्या परिमेय बन जाएगी, जो विरोध है। चरण 3: दो अपरिमेय संख्याओं वाले हमेशा वाले कथनों से सावधान रहें।

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