Chapter 9 – Sequences and Series
Write the first five terms of each of the sequences in Exercises 1 to 6 whose nth terms are: 1. an = n (n + 2)
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Oct
Write the first five terms of each of the sequences in Exercises 1 to 6 whose nth terms are: 1. an = n (n + 2) Write the first five terms of each of the sequences in Exercises 1 to 6 whose nth terms are: 1. an = n (n + 2) October 24, 2021 [...]
Example 18 If A.M. and G.M. of two positive numbers a and b are 10 and 8, respectively, find the numbers.
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Oct
Example 18 If A.M. and G.M. of two positive numbers a and b are 10 and 8, respectively, find the numbers. Example 18 If A.M. and G.M. of two positive numbers a and b are 10 and 8 find the numbers. respectively October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , [...]
Example17 Insert three numbers between 1 and 256 so that the resulting sequence is a G.P.
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Oct
Example17 Insert three numbers between 1 and 256 so that the resulting sequence is a G.P. Example17 Insert three numbers between 1 and 256 so that the resulting sequence is a G.P. October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Example 16 A person has 2 parents, 4 grandparents, 8 great grandparents, and so on. Find the number of his ancestors during the ten generations preceding his own.
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Oct
Example 16 A person has 2 parents, 4 grandparents, 8 great grandparents, and so on. Find the number of his ancestors during the ten generations preceding his own. 4 grandparents 8 great grandparents and so on. Find the number of his ancestors during the ten generations preceding his own. Example 16 A person has 2 [...]
Example 14 The sum of first three terms of a G.P. is 13/12 and their product is – 1. Find the common ratio and the terms.
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Oct
Example 14 The sum of first three terms of a G.P. is 13/12 and their product is – 1. Find the common ratio and the terms. Example 14 The sum of first three terms of a G.P. is 13/12 and their product is – 1. Find the common ratio and the terms. October 24, 2021 [...]
Example 13 How many terms of the G.P. 3, 3/2, 3/4 ,,… are needed to give the sum 3069/512 ?
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Oct
Example 13 How many terms of the G.P. 3, 3/2, 3/4 ,,… are needed to give the sum 3069/512 ? – 3/2 –3/4 ... are needed to give the sum 3069/512 ? Example 13 How many terms of the G.P. 3 October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT [...]
Example12 Find the sum of first n terms and the sum of first 5 terms of the geometric series 1 + 2/3 + 4/9 + …….
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Oct
Example12 Find the sum of first n terms and the sum of first 5 terms of the geometric series 1 + 2/3 + 4/9 + ……. Example12 Find the sum of first n terms and the sum of first 5 terms of the geometric series 1 + 2/3 + 4/9 + ....... October 24, 2021 [...]
Example11 In a G.P., the 3rd term is 24 and the 6th term is 192.Find the 10th term
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Oct
Example11 In a G.P., the 3rd term is 24 and the 6th term is 192.Find the 10th term Example11 In a G.P. the 3rd term is 24 and the 6th term is 192.Find the 10th term October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Example10 Which term of the G.P., 2,8,32, … up to n terms is 131072?
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Oct
Example10 Which term of the G.P., 2,8,32, … up to n terms is 131072? ... up to n terms is 131072? 2 3^2 8 Example10 Which term of the G.P. October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Example 9 Find the 10th and nth terms of the G.P. 5, 25,125,… .
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Oct
Example 9 Find the 10th and nth terms of the G.P. 5, 25,125,… . … . 125 25 Example 9 Find the 10th and nth terms of the G.P. 5 October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,