Chapter 9 – Sequences and Series
Example 8 Insert 6 numbers between 3 and 24 such that the resulting sequence is an A.P.
24
Oct
Example 8 Insert 6 numbers between 3 and 24 such that the resulting sequence is an A.P. Example 8 Insert 6 numbers between 3 and 24 such that the resulting sequence is an A.P. October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Example 7 The income of a person is Rs. 3,00,000, in the first year and he receives an increase of Rs.10,000 to his income per year for the next 19 years. Find the total amount, he received in 20 years.
24
Oct
Example 7 The income of a person is Rs. 3,00,000, in the first year and he receives an increase of Rs.10,000 to his income per year for the next 19 years. Find the total amount, he received in 20 years. 00 000 to his income per year for the next 19 years. Find the total [...]
Example 6 The sum of n terms of two arithmetic progressions are in the ratio (3n + 8) : (7n + 15). Find the ratio of their 12th terms
24
Oct
Example 6 The sum of n terms of two arithmetic progressions are in the ratio (3n + 8) : (7n + 15). Find the ratio of their 12th terms Example 6 The sum of n terms of two arithmetic progressions are in the ratio (3n + 8) : (7n + 15). Find the ratio of [...]
Example 5 If the sum of n terms of an A.P. is nP + 1/2 n (n – 1) Q , where P and Q are constants, find the common difference.
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Oct
Example 5 If the sum of n terms of an A.P. is nP + 1/2 n (n – 1) Q , where P and Q are constants, find the common difference. Example 5 If the sum of n terms of an A.P. is nP + 1/2 n (n – 1) Q find the common difference. [...]
Example 4 In an A.P. if mth term is n and the nth term is m, where m ≠ n, find the pth term.
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Oct
Example 4 In an A.P. if mth term is n and the nth term is m, where m ≠ n, find the pth term. Example 4 In an A.P. if mth term is n and the nth term is m find the pth term. where m ≠ n October 24, 2021 Category: Chapter 9 - [...]
Example 3 Let the sequence an be defined as follows: a1 = 1, an = an – 1 + 2 for n ≥ 2.
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Oct
Example 3 Let the sequence an be defined as follows: a1 = 1, an = an – 1 + 2 for n ≥ 2. an = an – 1 + 2 for n ≥ 2. Example 3 Let the sequence an be defined as follows: a1 = 1 October 24, 2021 Category: Chapter 9 - [...]
Example 2 What is the 20th term of the sequence defined by an = (n – 1) (2 – n) (3 + n) ?
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Oct
Example 2 What is the 20th term of the sequence defined by an = (n – 1) (2 – n) (3 + n) ? Example 2 What is the 20th term of the sequence defined by an = (n – 1) (2 – n) (3 + n) ? October 24, 2021 Category: Chapter 9 - [...]
Example 1 Write the first three terms in each of the following sequences defined by the following: (ii) an = n − 3 / 4.
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Oct
Example 1 Write the first three terms in each of the following sequences defined by the following: (ii) an = n − 3 / 4. Example 1 Write the first three terms in each of the following sequences defined by the following: (ii) an = n − 3 / 4. October 24, 2021 Category: Chapter [...]
Example 1 Write the first three terms in each of the following sequences defined by the following: (i) an = 2n + 5,
24
Oct
Example 1 Write the first three terms in each of the following sequences defined by the following: (i) an = 2n + 5, Example 1 Write the first three terms in each of the following sequences defined by the following: (i) an = 2n + 5 October 24, 2021 Category: Chapter 9 - Sequences and [...]