Muft Shiksha
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
Class 10MathematicsReal NumbersProof of irrationality of √2, √3, √5EasyLevel 16

Which of the following is not a perfect square and its square root is proved irrational?

Advertisement

Answer and explanation

Correct answer: (2)

Step 1: (4), (9), and (25) are perfect squares. Step 2: (2) is not a perfect square, so (\sqrt{2}) is proved irrational. Step 3: First identify perfect and non-perfect squares.

Tags

perfect squaresqrt2class 10

Frequently asked questions

What is the correct answer to this question?

(2)

Why is this the correct answer?

Step 1: (4), (9), and (25) are perfect squares. Step 2: (2) is not a perfect square, so (\sqrt{2}) is proved irrational. Step 3: First identify perfect and non-perfect squares.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Proof of irrationality of √2, √3, √5.

Report question
Advertisement