Concept-wise Practice

square root of 3 MCQ Questions for Class 10

square root of 3 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 square root of 3.

Question 1/1 Hard Mathematics Real Numbers 5: Irrational numbers Class 10 Level 15

यदि (p) और (q) सहअभाज्य धनात्मक पूर्णांक हैं और \(\sqrt{3}=\frac{p}{q}\) मान लिया जाए, तो प्रमाण में कौन-सा विरोध मिलेगा?

If (p) and (q) are coprime positive integers and \(\sqrt{3}=\frac{p}{q}\) is assumed, what contradiction appears in the proof?

Explanation opens after your attempt
Correct Answer

A. (p) और (q) दोनों (3) से विभाज्य निकलते हैंBoth (p) and (q) turn out divisible by (3)

Step 1

Concept

Assuming \(\sqrt{3}=\frac{p}{q}\) gives \(p^2=3q^2\).

Step 2

Why this answer is correct

This makes both (p) and (q) divisible by (3), contradicting that they are coprime.

Step 3

Exam Tip

In such proofs, finding a common factor creates the contradiction. चरण 1: \(\sqrt{3}=\frac{p}{q}\) मानने पर \(p^2=3q^2\) मिलता है। चरण 2: इससे (p) और फिर (q) दोनों (3) से विभाज्य निकलते हैं, जबकि वे सहअभाज्य माने गए थे। चरण 3: ऐसे प्रमाण में समान गुणनखंड मिलना ही विरोध बनाता है।

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