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      2. CBSE Class 10 Maths Notes Chapter 5 Arithmetic Progression

      CBSE Class 10 Maths Notes Chapter 5: Arithmetic Progression | Free PDF Download

      These notes would be helpful to students studying for the CBSE board exams in 2025-26. The introduction to Arithmetic Progression (AP), general terminologies, and numerous formulas in AP, such as the sum of n terms of an AP, nth term of an AP, and so on, will be covered in detail in this article.


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      Introduction to the AP Exam

      Sequences, Series, and Progressions are the examples of sequences, series, and progressions.


      The sum of the items in a sequence is called a series. The series of natural numbers 1+2+3+4+5... is an example.

      A progression is a series of events in which the general term can be stated mathematically Progression in Arithmetic.


      • An arithmetic progression is 2, 5, 8, 11, 14, ...
      • Visit this page to learn more about AP.
      • Common Distinction
      • The common difference is 3 in the progression: 2, 5, 8, 11, 14, ...
      • As is the case, in an arithmetic progression the common difference between two numbers is denoted by d and the d is the consecutive term between two value and that number is constant. The common difference is 3 in the progression: 2, 5, 8, 11, 14, ...
      • If the common difference is: for each A.P, it is the difference between any two successive words.



      CBSE Class 10 Maths Arithmetic Progression Notes | Free PDF Download


      CBSE Class 10 Maths Notes of All Chapters: 

      CBSE CLASS 10 MATHS NOTES CHAPTER 1 REAL NUMBERS

      CBSE CLASS 10 MATHS NOTES CHAPTER 2 POLYNOMIALS

      CBSE CLASS 10 MATHS NOTES CHAPTER 3 PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

      CBSE CLASS 10 MATHS NOTES CHAPTER 4 QUADRATIC EQUATION

      CBSE CLASS 10 MATHS NOTES CHAPTER 5 AIRTHMETIC PROGRESSION

      CBSE CLASS 10 MATHS NOTES CHAPTER 6 TRIANGLE

      CBSE CLASS 10 MATHS NOTES CHAPTER 7 CONTROL AND COORDINATION

      CBSE Class 10 Maths Notes Chapter 8 Introduction To Trigonometry

      CBSE CLASS 10 MATHS NOTES CHAPTER 9 SOME APPLICATIONS OF TRIGONOMETRY

      CBSE Class 10 Maths Notes Chapter 10 Circle

      CBSE CLASS 10 MATHS NOTES CHAPTER 11 CONSTRUCTION

      CBSE CLASS 10 MATHS NOTES CHAPTER 12 AREAS RELATED TO CIRCLES

      CBSE CLASS 10 MATHS NOTES CHAPTER 13 SURFACE AREA AND VOLUMES

      CBSE CLASS 10 MATHS NOTES CHAPTER 14 STATISTICS

      CBSE CLASS 10 MATHS NOTES CHAPTER 15 PROBABILITY


      The AP is increasing, which is a good thing.

      The AP is constant at zero.

      The A.P. is decreasing, which is negative.

      There are two types of AP: finite and infinite.

      An AP with a finite number of terms is known as a finite AP. For instance, the A.P: 32, 35, and 38 are the numbers 2, 5, and 8 respectively.

      An infinite A.P. such as a large number of terms in their form. Consider the following scenario: 2, 5, 8, 11, 12....

      The last term will be present in a finite A.P, but not in an infinite A.P.

      The last term will be present in a finite A.P, but not in an infinite A.P.

      Visit this page to learn more about Finite and Infinite AP.


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      CBSE SAMPLE PAPER CLASS 10 FOR 2025-26 BOARD EXAMS | FREE PDF DOWNLOAD


      AP's General Term

      The AP's nth term.

      Tn= an + (n-1) d, where an is the first term, d is a common difference, and n is the number of terms, gives the nth term of an A.P.

      An AP in its most basic form.

      (a, a + d, a+2d, a+3d ......) is the general form of an A.P. The first term is a, and the common difference is d. d=0, d>0, or d<0 are all valid options.

      In an AP, the total number of terms is called the sum.

      The formula for an AP's sum of n terms.

      The total of an A.P' s n terms is given by: 

      n/2(2a+(n-1) d)


      Sn= n/2(2a+(n-1) d)

       

      The first term is a, the last term of the A.P. is l, and the number of terms is n.

      The sum of n terms of an A.P is also given by


      Sn= n/2 (a + l)

      l = last term of A.P


      Mean in Arithmetic (A.M)

       

      The simple average of a group of numbers is known as the Arithmetic Mean. The arithmetic mean of a group of numbers is calculated as follows:


      A.M= Sum of terms/Number of terms


      For any set of numbers, the arithmetic mean is defined. The figures don't have to be in an A.P. format.


      In an AP, Basic Adding Patterns Constant is the sum of two words that are equidistant from both ends of an AP.

      For instance, in an A.P.: 2,6,10,14,18,22...

      T1+T6=2+22=24,

      T2+T5=6+18=24,

      T3+T4=10+14=24, and so on....

      This can be expressed algebraically as


      Tr + T(n−r) +1=constant


      The all numbers of the 1st n are a natural number

      The sum of the 1st n natural numbers is calculated.


      Sn=n(n+1)/2


      This formula is found by treating the sequence of natural numbers as an A.P, with the first term (a) equaling 1 and the common difference (d) equaling 1.


      The following is a list of all the Arithmetic Progression class 10 formulas:


      First term of A.P.

      a

      Common difference in A.P.

      d

      General form of AP

      a, a + d, a + 2d, a + 3d, ….

      nth term in A.P.

      an = a + (n – 1) d

      Sum of first n terms in A.P.

      Sn = (n/2) [2a + (n – 1) d]

      Sum of all terms of AP

      S = n/2 (a + l)
      n = Number of terms
      l = Last term


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