Arithmetic Progression
Maharashtra Board · Class 10 · Mathematics
Summary of Arithmetic Progression for Maharashtra Board Class 10 Mathematics. Key concepts, important points, and chapter overview.
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Overview
Notice the pattern in terms like 1, 4, 7, 10, 13 and 100, 70, 40, 10. In an arithmetic progression, each term is obtained by adding the same fixed number to the previous term. That fixed number is the common difference d. This chapter also shows how to find the nth term and the sum of the first n te
Key Concepts
A set of numbers arranged
A set of numbers arranged in a definite order is called a sequence. Each term has a fixed position, such as first term, second term, third term, and s
If the difference between two consecutive
If the difference between two consecutive terms (t_{n+1} - t_n) is constant, the sequence is called an Arithmetic Progression. The constant difference
The constant difference between consecutive terms
The constant difference between consecutive terms is called the common difference d. For an A.P., every step from one term to the next changes by the
For an
For an A.P. with first term a and common difference d, the nth term is t_n = a + (n - 1)d.
If the ratio of a term
If the ratio of a term and its preceding term is constant, the sequence is called a geometric progression. When the ratio is greater than 1, it increa
Learning Objectives
- Identify a sequence and distinguish a sequence with a definite rule from a general random sequence.
- Recognize arithmetic progression and geometric progression from the pattern of terms.
- Find the common difference d in an arithmetic progression.
- Use the formula t_n = a + (n - 1)d to find the nth term.
- Check whether a given number belongs to an arithmetic progression.
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