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Thursday, November 28, 2024

The sums of first n terms of three arithmetic progression are S1, S2 and S3 respectively. The first term of each AP is 1 and their common differences are 1, 2 and 3 respectively. Prove than S1 + S3 = 2S2 (CBSE 2016 OD)

 


This Question appeared in the 2016 CBSE Board Examinations.  This type of questions are in repeating model of questions.  Please work out more questions








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Class 9 Mathematics - Chapter 01 - Set Theory - Exercise 1.7 Solutions - Book Back Solutions - Samacheer Kalvi Tamilnadu State Board

  1.     Which of the following is correct? (1)   {7} ∈ {1,2,3,4,5,6,7,8,9,10} (2)     7 ∈ {1,2,3,4,5,6,7,8,9,10} (3)   7 ∉ {1,2...