Concept-wise Practice

proof-base MCQ Questions for Class 10

proof-base se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with proof-base.

Question 1/1 Expert Mathematics Chapter 1: Real Numbers 6: Proof of irrationality of √2, √3, √5 Class 10 Level 18

\(\sqrt{2}\), \(\sqrt{3}\), और \(\sqrt{5}\) के प्रमाणों में परिमेय संख्या की कौन-सी विशेषता उपयोग होती है?

Which property of rational numbers is used in the proofs of \(\sqrt{2}\), \(\sqrt{3}\), and \(\sqrt{5}\)?

Explanation opens after your attempt
Correct Answer

A. हर परिमेय संख्या को दो सहअभाज्य पूर्णांकों के अनुपात में लिखा जा सकता हैEvery rational number can be written as a ratio of two coprime integers

Step 1

Concept

A rational number is written as \(\frac{p}{q}\).

Step 2

Why this answer is correct

In lowest form, (p) and (q) are coprime.

Step 3

Exam Tip

This property is used to create the contradiction. चरण 1: परिमेय संख्या को \(\frac{p}{q}\) के रूप में लिखा जाता है। चरण 2: उसे सरलतम रूप में लेने पर (p) और (q) सहअभाज्य होते हैं। चरण 3: यही गुण विरोधाभास बनाने में काम आता है।

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