Class 9th chapter 1 Exercise 1.1 Ncert | Up board скачать в хорошем качестве

Class 9th chapter 1 Exercise 1.1 Ncert | Up board

Class 9th chapter 1 Exercise 1.1 Ncert | Up board #math #mathclass9th @education pro2.0 Number System – Different types of numbers used in mathematics Natural Numbers (ℕ) – Counting numbers: 1, 2, 3, … Whole Numbers (𝕎) – Natural numbers including 0 Integers (ℤ) – Positive, negative numbers and zero Rational Numbers (ℚ) – Numbers of the form �, where � Irrational Numbers – Numbers that cannot be written as � Real Numbers (ℝ) – All rational and irrational numbers Prime Numbers – Numbers having only two factors (1 and itself) Composite Numbers – Numbers having more than two factors Co-prime Numbers – Numbers having HCF = 1 Terminating Decimal – Decimal expansion that ends Non-terminating Decimal – Decimal expansion that does not end Recurring Decimal – Non-terminating decimal with repeating digits Non-recurring Decimal – Non-terminating decimal without repetition Decimal Expansion – Writing a number in decimal form p/q Form – Standard form of rational numbers HCF (Highest Common Factor) – Greatest number dividing two numbers LCM (Least Common Multiple) – Smallest common multiple Prime Factorisation – Writing a number as# product of primes Euclid’s Division Lemma – Method to find HCF Perfect Square – Square of a whole number Square Root – A number which when multiplied by itself gives the original number Representation on Number Line – Showing numbers visually on a line Zero (0) – Neutral element for addition Positive Numbers – Numbers greater than zero Negative Numbers – Numbers less than zero Rationalisation – Process of removing irrationality (basic idea) Set of Numbers – Collection of numbers Closure Property – Result remains in same number system Identity Element – Number that does not change value in operation If you want, I can also give short answers, Exercise 1.1 solutions ‪@educationpro2.0‬ #maths #mathclass9th