MATHS (R K FAI)

Q1. n(n+1)(n+5) is a multiple of 3. Proof:-  We will prove it by using the formula of mathematical induction for all n ϵ N Let P(n)=n(n+1)(n...

1.1 PROGRESSIONS :   Those sequence whose terms follow certain patterns are called progression. Generally there are three types of progress...

  OBJECTIVE  1. If there coins are tossed simultaneously, then the probability of getting at least two heads, is (A) 1/4 (B) 3/8 (C) 1/2 (D)...

1.1 EXPERIMENT : The word experiment means an operation, which can produce well defined outcomes.  The are two types of experiment :    ...

TERM 1 Unit-I: Sets and Functions 1. Sets Sets and their representations. Empty set. Finite and Infinite sets. Equal sets. Subsets. Subsets ...

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             COURSE STRUCTURE                CLASS –X (2021-22)         FIRST TERM  One Paper  90 Minute UNIT-NUMBER SYSTEMS 1. REAL NUMBER ...

Relation Let A and B be two non – empty sets. Then, a relation R from A to B is a subset of (A×B) . Thus , R is a relation from A to B iff R...

Set : - A well defined collection of objects is called a set. The objects of the set are called its members or elements.    Example : - i...

          Topics Name.                           Marks I          Sets and Functions                     29 II        Algebra               ...

1: Write the following sets in the roster form. (i) A = {x | x is a positive integer less than 10 and 2x – 1 is an odd number} (ii) C = {x :...