KINEMATICS PRACTICE SET-1
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NOTE CLASS 10 MATHEMATICS CHAPTER-1
REAL NUMBERS TOPICS 1. EUCLID'S DIVISION LEMMA 2. EUCLID'S DIVISION ALGORITHM 3. FUNDAMENTAL THEOREM OF ARITHMETIC 4. DECIMAL REPRESENTATION OF RATIONAL NUMBERS 5.UNIT DIGIT OF ANY POWER EUCLID'S DIVISION LEMMA Given two positive integers a and b, there exist unique integers q and r satisfying a= bq + r where 0 ≤ r < b For eg, 11 = 2 × 5 + 1 Here, a = 11 , b = 2 , q = 5 , r = 1 Here, 'a' is the dividend, 'q' is the quotient, 'b' is the divisor and 'r' is the remainder.Here 'q' and 'r' can be zero. For eg , 15 = 17 × 0 + 15 (here q is zero) 10 = 2 × 5 + 0 (here r is zero) EUCLID'S DIVISION ALGORITHM Euclid's division algorithm is a technique to find HCF (highest common factor) of 2 positive integers. Euclid's division algorithm can be stated as follows : HCF of 2 p...
class 10 chemistry chapter 1 notes
CHAPTER-1 INTRODUCTION 1. Most of the substance around us undergoes various changes.Some of these changes are temporary with no new substance being formed . They are called physical changes . 2. In certain other changes the new substances formed in which the reactant loses its identity to form new substance called product . These changes are permanent as we wan't get the reactant back. CHEMICAL REACTION Chemical reaction process by which two or more substance react with each other to form new substance with different properties. These are the following changes to determine that the chemical reaction has taken place: (i) change in state (ii) change in color (iii) evolution of gas (iv) change in ...