Chapter 3.Coordinate Geometry

Important Points to Remember 1. What are the coordinates of the origin O? It has zero distance from both the axes so that its abscissa and ordinate are both zero. Therefore, the coordinates of the origin are (0, 0). 2. the axes (plural of the word‘axis’) divide the plane into four parts. These four parts … Read more

Chapter 2.Polynomials

1.Important Identities of Polynomials 1. (x + y) ² = x² + 2xy + y² 2 .(x – y) ² = x² – 2xy + y² 3. x² – y² = (x + y) (x – y) 2.Use of Polynomial Identities  1) factorisation.  2.find out  Square of Big Numbers 3.Remainder Theorem 4. Factor Theorem Example:- … Read more

1.Number System

Class IX(Chapter 1.Numbers System) 1.Natural Number (N) : All number s  used in counting are known as natural numbers such  as 1,2,3,….., is called natural number.Denoted by N.N={1,2,3,……,n}. 2.Whole Number(W): All natural numbers including zero , is called Whole numbers.Denoted by W. W={0,1,2,3,…..n}. 3.Integers(I):- All number with +ve and –ve sign including 0, is known … Read more

सामान्य ज्ञान :->फ़िल्मी ज्ञान

Q1. फिल्म ‘राधे ध्याम’  के लीड स्टार है:- (A) इमरान हाश्मी और परिणीता (B) पूजा हेगड़े और प्रभास की जोड़ी (c) सलमान और कटरीना कैफ (D) सुशांत और श्रद्धा कपूर Q2. फिल्म ‘राधे ध्याम’   की विषय वस्तु  है :- (A)एक लव स्टोरी है (B)एक देशप्रेम है (C) बेरोजगारी है (D) आतंकवाद आधारित है Q3. “सुरमा … Read more