Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

Which statement is correct in the proof of the irrationality of \(\sqrt{3}\), based on \(a^2=3b^2\), where \(a\) and \(b\) are coprime integers?

Answer and explanation

Correct answer: 3, \(a^2\) को विभाजित करता है; इसलिए 3, \(a\) को विभाजित करता है।

From \(a^2=3b^2\), 3 divides \(a^2\). Since 3 is prime, it must divide \(a\). On putting \(a=3k\), one also obtains that 3 divides \(b\), contradicting coprimality. Exam tip: if a prime \(p\mid n^2\), then \(p\mid n\).

Related tags

Number SystemsIrrational NumbersProof By ContradictionSquare Root 3Coprime IntegersPrime DivisibilityProof Of Irrationality Of Square Root 2 And Square Root 3Mathematics

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.