Chapter 9 – Sequences and Series
Find the sum to n terms of the series nth terms is given by 8. n (n+1) (n+4).
27
Oct
Find the sum to n terms of the series nth terms is given by 8. n (n+1) (n+4). Find the sum to n terms of the series nth terms is given by 8. n (n+1) (n+4). October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Find the sum to n terms of each of the series in Exercises 1 to 7. 7. 1^2 + (1^2 + 2^2 ) + (1^2 + 2^2 + 3^2 ) + …
27
Oct
Find the sum to n terms of each of the series in Exercises 1 to 7. 7. 1^2 + (1^2 + 2^2 ) + (1^2 + 2^2 + 3^2 ) + … Find the sum to n terms of each of the series in Exercises 1 to 7. 7. 1^2 + (1^2 + 2^2 ) [...]
Find the sum to n terms of each of the series in Exercises 1 to 7. 6. 3 × 8 + 6 × 11 + 9 × 14 + …
27
Oct
Find the sum to n terms of each of the series in Exercises 1 to 7. 6. 3 × 8 + 6 × 11 + 9 × 14 + … Find the sum to n terms of each of the series in Exercises 1 to 7. 6. 3 × 8 + 6 × 11 + [...]
Find the sum to n terms of each of the series in Exercises 1 to 7. 5. 5^2 + 6^2 + 7^2 + … + 20^2
27
Oct
Find the sum to n terms of each of the series in Exercises 1 to 7. 5. 5^2 + 6^2 + 7^2 + … + 20^2 Find the sum to n terms of each of the series in Exercises 1 to 7. 5. 5^2 + 6^2 + 7^2 + ... + 20^2 October 27, 2021 [...]
Find the sum to n terms of each of the series in Exercises 1 to 7. 4. 1/1×2 + 1/2×3 + 1/3×4 + …
27
Oct
Find the sum to n terms of each of the series in Exercises 1 to 7. 4. 1/1×2 + 1/2×3 + 1/3×4 + … Find the sum to n terms of each of the series in Exercises 1 to 7. 4. 1/1x2 + 1/2x3 + 1/3x4 + ... October 27, 2021 Category: Chapter 9 - [...]
Find the sum to n terms of each of the series in Exercises 1 to 7. 3. 3 × 1^2 + 5 × 2^2 + 7 × 3^2 + …
27
Oct
Find the sum to n terms of each of the series in Exercises 1 to 7. 3. 3 × 1^2 + 5 × 2^2 + 7 × 3^2 + … Find the sum to n terms of each of the series in Exercises 1 to 7. 3. 3 × 1^2 + 5 × 2^2 + [...]
17. If the 4th, 10th and 16th terms of a G.P. are x, y and z, respectively. Prove that x, y, z are in G.P.
27
Oct
17. If the 4th, 10th and 16th terms of a G.P. are x, y and z, respectively. Prove that x, y, z are in G.P. 10th and 16th terms of a G.P. are x 17. If the 4th respectively. Prove that x y y and z. z are in G.P. October 27, 2021 Category: Chapter [...]
16. Find a G.P. for which sum of the first two terms is – 4 and the fifth term is 4 times the third term.
27
Oct
16. Find a G.P. for which sum of the first two terms is – 4 and the fifth term is 4 times the third term. 16. Find a G.P. for which sum of the first two terms is – 4 and the fifth term is 4 times the third term. October 27, 2021 Category: Chapter [...]
15. Given a G.P. with a = 729 and 7th term 64, determine S7 .
27
Oct
15. Given a G.P. with a = 729 and 7th term 64, determine S7 . 15. Given a G.P. with a = 729 and 7th term 64 determine S7 . October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
14. The sum of first three terms of a G.P. is 16 and the sum of the next three terms is 128. Determine the first term, the common ratio and the sum to n terms of the G.P.
27
Oct
14. The sum of first three terms of a G.P. is 16 and the sum of the next three terms is 128. Determine the first term, the common ratio and the sum to n terms of the G.P. 14. The sum of first three terms of a G.P. is 16 and the sum of the [...]