Hard Mathematics Chapter 1: Real Numbers Class 10 Level 18

किस कथन का उपयोग \(\sqrt{3}\) की अपरिमेयता के प्रमाण में सबसे आवश्यक है?

Which statement is most essential in proving the irrationality of \(\sqrt{3}\)?

Explanation opens after your attempt
Correct Answer

B. यदि (3) किसी \(p^2\) को भाग दे तो (3) (p) को भी भाग देगाIf (3) divides \(p^2\), then (3) divides (p)

Step 1

Concept

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

Step 2

Why this answer is correct

The key step is using \(3\mid p^2\Rightarrow 3\mid p\).

Step 3

Exam Tip

Writing this prime-number property clearly helps in scoring well. चरण 1: \(\sqrt{3}=\frac{p}{q}\) मानने पर \(p^2=3q^2\) मिलता है। चरण 2: \(3\mid p^2\) से \(3\mid p\) निष्कर्ष निकालना जरूरी है। चरण 3: अभाज्य संख्या वाली इस बात को साफ लिखना अच्छे अंक दिलाता है।

FAQs

Mathematics Question FAQs

What is the correct answer to this Mathematics MCQ?

The correct answer is B. यदि (3) किसी \(p^2\) को भाग दे तो (3) (p) को भी भाग देगा / If (3) divides \(p^2\), then (3) divides (p).

Where can I practice more Mathematics questions?

Open the subject page or level quiz links on this page to practice more active Mathematics MCQs with answers and explanations.

Related Mathematics Questions

Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class. Class 11/12 ke liye stream bhi select karein.