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factor 2 MCQ Questions for Class 10

factor 2 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 factor 2.

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

कौन सा कथन \(\sqrt{2}\) की सिद्धि में (2) के गुणनखंड की भूमिका सही बताता है?

Which statement correctly tells the role of factor (2) in the proof of \(\sqrt{2}\)?

Explanation opens after your attempt
Correct Answer

A. यह (p) और (q) दोनों में साझा गुणनखंड बनकर विरोधाभास देता हैIt becomes a common factor of both (p) and (q) and gives contradiction

Step 1

Concept

From \(p^2=2q^2\), factor (2) first appears in (p).

Step 2

Why this answer is correct

Later factor (2) also appears in (q).

Step 3

Exam Tip

Common factor (2) contradicts the coprime condition. चरण 1: \(p^2=2q^2\) से पहले (p) में (2) का गुणनखंड आता है। चरण 2: बाद में (q) में भी (2) का गुणनखंड मिलता है। चरण 3: दोनों में (2) साझा होना सहअभाज्य शर्त से टकराता है।

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