Arithmetic Progression — Syllabus
Maharashtra Board · Class 10 · Mathematics
What Arithmetic Progression covers in Maharashtra Board Class 10 Mathematics: 4 topics, for the 2026-27 session.
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Topics in Arithmetic Progression
1. Sequence and A.P. Basics
- A set of numbers arranged in a definite order is called a sequence.
- In a sequence, terms are written as t1, t2, t3, ... , tn.
- An A.P. is a sequence in which the difference between two consecutive terms is constant.
2. nth Term of an A.P.
- If the first term is a and the common difference is d, the terms are a, a+d, a+2d, a+3d, ... .
- The nth term formula is t_n = a + (n - 1)d.
- This formula helps find any term directly without writing all the previous terms.
3. Sum of First n Terms of an A.P.
- The sum of the first n terms of an A.P. is written as S_n.
- For the A.P. a, a+d, a+2d, ... , a+(n-1)d, the sum can be found in three useful forms.
- Gauss’s pairing idea shows that terms can be added efficiently by pairing the first and last terms, second and second-last terms, and so on.
4. Special Word Problems and Patterns
- Kabir’s heights at ages 1, 2, and 3 years were 70 cm, 80 cm, and 90 cm.
- These heights form an A.P. because the difference is 10 cm each time.
- The king’s story compares two salary patterns: Tara’s salary is 100,200,300,400,... which is an A.P., while Meera’s salary is 10,20,40,80,... which is a G.P.
Key Concepts
Central concept: Arithmetic Progression
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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