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 difference is irrational?

Answer and explanation

Correct answer: \(\sqrt{11}-1\)

\(\sqrt{11}\) is irrational, while \(1\) is rational. The difference between an irrational number and a rational number remains irrational, so \(\sqrt{11}-1\) is irrational. In contrast, \(7-2=5\), \(5-5=0\), and \(\frac{9}{2}-\frac{1}{2}=4\) are all rational. Exam tip: the square root of a number that is not a perfect square is generally irrational.

Related tags

Real NumbersIrrational NumbersRational NumbersNumber SystemsSubtractionMathematicsClass 9 Mcq

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.