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Example 1 - Chapter 5 Class 10 Arithmetic Progressions
Last updated at August 5, 2026 by Teachoo
Checking if AP or not and finding a, d
Chapter 5 Class 10 Arithmetic Progressions
Concept wise
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Checking if AP or not and finding a, d
- Finding nth term
- Finding n
- Finding AP
- Finding nth term from end
- Divisible/ multiples
- Statement questions - nth term
- Finding sum of n terms
- Finding number of terms given s
- Given nth term finding s
- Statement questions - Sum of n terms
- Determining AP and finding sum
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Transcript
Example 1 For the AP: 3/2, 1/2, (−1)/2, (−3)/2,…. write the first term a & the common difference d 3/2, 1/2, (−1)/2, (−3)/2,…. First term = a = 𝟑/𝟐 Common difference = d = Difference between 2nd and 1st term = 1/2−3/2 = (1 − 3)/2 = (−2)/2 = –1 Hence, a = 𝟑/𝟐 d = –1
