On rationalizing the denominator of 1√2, we get
Mastering the Number System is crucial for excelling in mathematics. This document offers NCERT Solutions for Class 9 Mathematics Chapter 1 Number System with MCQ-based questions from the exercise. It focuses on fundamental topics such as rational and irrational numbers terminating and non-terminating decimals and real numbers. These multiple-choice questions are designed to strengthen conceptual understanding and improve logical thinking. Aligned with the NCERT syllabus this resource is ideal for exam preparation self-assessment and quick revision. Practicing these MCQs will help students enhance problem-solving skills boost confidence and build a solid foundation in mathematics. Consistent practice ensures better comprehension making it easier to apply these concepts in exams and real-life situations.
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We are given the expression: 1/√2
To rationalize the denominator, we multiply both the numerator and denominator by √2 to eliminate the square root in the denominator
Step 1: Multiply by √2/√2
1/√2 × √2/√2 = √2/2
Conclusion: The correct answer is √2/2 (option d).
This question related to Chapter 1 Mathematics Class 9th NCERT. From the Chapter 1 Number System. Give answer according to your understanding.
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