1. If U is the set of natural numbers. Find the complements of the following sets. (i) {x : x is an odd natural number} (ii) {x : x is an even natural number} (iii) {x : x is a prime number} (iv){x : x is a perfect square} (v){x : x is a perfect […]
Read More →Prime numbers – Composite numbers What are prime numbers? What are composite numbers? Here we will learn more about, how to classify these numbers and also answers of some common questions about prime numbers and composite numbers. Definition: Prime numbers A prime number is a natural number, greater than 1 with exactly two factors. A prime number […]
Read More →Natural Numbers – Definition, Examples and Properties Introduction of Natural Numbers In this tutorial, we will learn about natural numbers. In our daily life we use numbers everywhere around us, like for telling time, measuring the temperature, exchange the money, counting objects etc. “Natural Numbers” are numbers that we use to count. Natural numbers are an […]
Read More →Important sets in Mathematics 1. N = Set of all “Natural” numbers. 2. W = Set of all “Whole” numbers. 3. Q = Set of all “Rational” numbers. 4. Z = Set of all “Integers”. 5. R = Set of all “Real” numbers. 6. Z + = Set of “Positive” Integers. 7. Q + = Set of “Positive Rational” numbers. 8. R + = Set of “Real” numbers.
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