5 Questions
Which of the following is NOT an example of a real number?
$i$ (imaginary unit)
What type of number is used to represent the square root of 2?
Irrational number
In the context of real numbers, what does the term 'complex numbers' refer to?
Numbers with both real and imaginary parts
Which of the following is an example of a real number?
$rac{5}{2}$
Which type of number is used to measure temperature in degrees Celsius?
Rational number
Study Notes
Number Systems
- A complex number is NOT an example of a real number.
- The square root of 2 is an irrational number, which is a type of real number.
- In the context of real numbers, 'complex numbers' refer to numbers that have both real and imaginary parts.
- Examples of real numbers include integers, fractions, and decimals.
- Real numbers are used to measure temperature in degrees Celsius.
Learn about real numbers, including positive and negative integers, irrational numbers, and fractions, in this overview of Class 10 Maths Chapter 1. Understand the concept that any number found in the real world is a real number and explore its applications.
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