ICSE Class 9 Mathematics Chapter 1 Selina Concise Solutions - Free PDF Download
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FAQs on Concise Mathematics Class 9 ICSE Solutions for Chapter 1 - Rational and Irrational Numbers
1. What are rational numbers and irrational numbers in Selina Concise Mathematics Class 9 ICSE Solutions for Chapter 1?
The real numbers are expressed as a fraction where the numerator and the denominator of the fraction are integers, it is termed as rational numbers. This encloses all the whole numbers (like 3 can be written as 31) and the finite or recurring decimals also. Irrational numbers are numbers that cannot be written as fractions. Justifying this with an example - The square root of 2 is an irrational number. These numbers have endless non-repeating digits to the right of the decimal point.
2. How can I download the Selina Concise Mathematics ICSE Solutions for Class 9 Chapter 1 - Rational and Irrational Numbers online?
Nowadays with the growing popularity of online studies, students can easily refer to the study material without wasting huge amounts of money on expensive mathematics books. The examination brings a lot of pressure and anxiety which can easily be cleared by downloading the Selina Concise Mathematics Class 9 ICSE Solutions for Chapter 1 - Rational and Irrational Numbers pdf from the Vedantu website. This pdf includes all the important solutions to the questions and helps a student to create a better understanding of the chapter.
3. What do you mean by real numbers in Selina Concise Mathematics ICSE Solutions for Class 9 Chapter 1 - Rational and Irrational Numbers?
Real numbers are those numbers that are written as a total of rational and irrational numbers. A set of real numbers are taken together as rational and irrational numbers. Every real number is either a rational number (-2, 0, 1) or an irrational number (√3, π (22/7), etc). These are numbers that can be represented on a number line and represent a quantity that can be expressed as infinity decimal expansion. It can include positive and negative integers or fractions as well.
4. Is Vedantu a reliable website for studying Selina Concise Mathematics ICSE Solutions for Class 9 Chapter 1 - Rational and Irrational Numbers?
Vedantu has been very dedicated and experienced in guiding the students according to the latest syllabus of ICSE Class 9 Mathematics. The solutions are curated by the experts of Vedantu for the welfare of the students for improving their problem-solving skills. There is no need to buy expensive books and waste the time to travel to those stationery book shops. Vedantu is one of the best websites for downloading Selina Concise Mathematics Class 9 ICSE Solutions for Chapter 1 - Rational and Irrational Numbers.
5. What are some important concepts of the Selina Concise Mathematics Class 9 ICSE Solutions for Chapter 1 Rational and Irrational Numbers?
Since Rational and Irrational numbers are the first chapter of the Class 9 Mathematics Book it puts significant pressure on the minds of the students. Here are some important points from the chapter which will help them to remember the chapter easily:
All the natural, whole numbers, and integers are included in rational numbers.
Every terminating and recurring decimal is called a rational number
There is an infinite number of rational numbers between any two rational numbers. This property is termed the density of rational numbers.