Chapter 5 – Arithmetic Progressions
If the sum of the first n terms of an Ap is 4n – n^2 what is first term? what is the sum of first two terms? what is the second term? similarly find the 3rd and 10th and nth terms.
04
Oct
If the sum of the first n terms of an Ap is 4n – n^2 what is first term? what is the sum of first two terms? what is the second term? similarly find the 3rd and 10th and nth terms. If the sum of the first n terms of an Ap is 4n - [...]
Show that a1,a2,…..an’…..form an AP Where an is defined as below: (i) an = 9 – 5n
04
Oct
Show that a1,a2,…..an’…..form an AP Where an is defined as below: (i) an = 9 – 5n .....an'.....form an AP Where an is defined as below: (i) an = 9 - 5n a2 Show that a1 October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
Also find the sum of the first 15 terms in each case. an = 3 + 4n
04
Oct
Also find the sum of the first 15 terms in each case. an = 3 + 4n Also find the sum of the first 15 terms in each case. an = 3 + 4n October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
If the sum of first 7 terms of an AP is 49 and that of 17 term is 289 find the sum of first n terms.
04
Oct
If the sum of first 7 terms of an AP is 49 and that of 17 term is 289 find the sum of first n terms. If the sum of first 7 terms of an AP is 49 and that of 17 term is 289 find the sum of first n terms. October 4, 2020 [...]
Find the sum of first 51 term of an ap whose second and third term are 14 and 18 respectively
04
Oct
Find the sum of first 51 term of an ap whose second and third term are 14 and 18 respectively Find the sum of first 51 term of an ap whose second and third term are 14 and 18 respectively October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 [...]
Find the sum of first 22 terms of an AP in which d = 7 and 22nd term is 149.
04
Oct
Find the sum of first 22 terms of an AP in which d = 7 and 22nd term is 149. Find the sum of first 22 terms of an AP in which d = 7 and 22nd term is 149. October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 [...]
The first and the last term of an A.P are 17 and 350 respectively. If the common difference is 9 how many terms are there in A.P and what is their sum?
04
Oct
The first and the last term of an A.P are 17 and 350 respectively. If the common difference is 9 how many terms are there in A.P and what is their sum? The first and the last term of an A.P are 17 and 350 respectively. If the common difference is 9 how many terms [...]
The first term of an A.P. is 5, the last term is 45 and the sum of all its terms is 400. Find the number of terms and the common difference.
04
Oct
The first term of an A.P. is 5, the last term is 45 and the sum of all its terms is 400. Find the number of terms and the common difference. The first term of an A.P. is 5 the last term is 45 and the sum of all its terms is 400. Find the [...]
How many terms of the AP: 9,17,25,….. must be taken so that their sum is 636 ?
04
Oct
How many terms of the AP: 9,17,25,….. must be taken so that their sum is 636 ? ..... must be taken so that their sum is 636 ? 17 25 How many terms of the AP: 9 October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
In an A.P. Given l = 28, S = 144, and there are total 9 terms. Find a.
04
Oct
In an A.P. Given l = 28, S = 144, and there are total 9 terms. Find a. and there are total 9 terms. Find a. In an A.P. Given l = 28 S = 144 October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,