Sequences and Series Class 11 Notes- Chapter 9 The various numbers occurring in a sequence are called its terms. The number of terms is called the length of the series Terms of a sequence are denoted generally by a1,a2,a3,…..,ana1,a2,a3,…..,an etc., The subscripts denote the position of the term. We can choose any other letter to denote it …
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Binomial Theorem Class 11 Notes
Binomial Theorem Class 11 Notes – Chapter 8 The binomial expression is an expression comprising of two terms connected by -ve or +ve sign. Equations like x + a, 2x -3y, 1x−1×3, 7x−24×3 are examples of binomial expressions. The binomial expansion of (p+q)n will have a total of (n + 1) terms. The coefficients in the binomial expansion follow a …
Permutations and Combinations Class 11 Notes
Permutations and Combinations Class 11 Notes – Chapter 7 What are Permutation and Combination?When an event happens in m different ways and another event happened in n different ways, then the total happening number of events is m x n. Equation of Permutation:If the permutation of a certain number is denoted by n with respect to time t and repetition is not allowed, then …
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Linear Inequalities Class 11 Notes
Linear Inequalities Class 11 Notes – Chapter 6 In mathematics, an inequality is a relation that holds between two values when they are different. Solving linear inequalities is very similar to solving linear equations, except for one small but important detail: you flip the inequality sign whenever you multiply or divide the inequality by a …
Complex Numbers and Quadratic Equations Class 11 Notes
Complex Numbers and Quadratic Equations Class 11 Notes – Chapter 5 A complex number is a number that can be expressed in the form p + iq, where p and q are real numbers, and i is a solution of the equation x2=−1. −1−−−√=i or i2=−1. Examples of complex numbers: 8 – 2i, 2 +31i, 2+45i, etc. Complex numbers are …
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Principle of Mathematical Induction Class 11 Notes
Principle of Mathematical Induction Class 11 Notes – Chapter 4 What is Mathematical Induction?Mathematical induction is a specialized form of working on different cases and coming up with observations. Induction is the compilation from a particular set of facts. This method is used to prove a wide range of statements in which we analyze the …
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Trigonometric Functions Class 11 Notes
Trigonometric Functions Class 11 Notes – Chapter 3 Trigonometry deals with the relationship between the angles and sides of the triangles. It is derived from ‘trigon’ and ‘metron’ (Greek words) that means the measurement of the sides of a triangle. An angle is the measurement of the rotation of a revolving line w.r.t to a …
Relations and Functions Class 11 Notes
Relations and Functions Class 11 Notes – Chapter 2 Ordered pairs. Cartesian product of sets. Number of elements in the Cartesian product of two finite sets. Cartesian product of the set of reals with itself (upto R x R x R). Definition of relation, pictorial diagrams, domain, co-domain and range of a relation. Function as …
Sets Class 11 Notes
Sets Class 11 Notes – Chapter 1 Sets are defined as a well-defined collection of objects. A set without any element is termed as an empty set. A set comprising of definite elements is termed as a finite set whereas if the set has an indefinite number of elements it is termed an infinite set. …
Maths Notes For Class 11 Pdf
CBSE Class 11 Maths Notes Chapter wise – Free PDF Download The students can never underestimate the significance of revision. It is necessary for students to plan their revision well in advance so that they don’t miss out the concepts important for the examination point of view. Besides, for math students, it is difficult for …
CBSE Revision Notes 