![the sum of first 6 terms of an A.P is 63 .The ratio of the 10th term to the 20th term is 1:2 . calculate the first and the 15th terms - pa098mrr the sum of first 6 terms of an A.P is 63 .The ratio of the 10th term to the 20th term is 1:2 . calculate the first and the 15th terms - pa098mrr](https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=ee6db9822488b36c55011b83b7ed5c89.png&d=0)
the sum of first 6 terms of an A.P is 63 .The ratio of the 10th term to the 20th term is 1:2 . calculate the first and the 15th terms - pa098mrr
![The first and last terms of an AP are a and l respectively. Show that the sum of the nth term from the beginning and the nth term form the end is ( The first and last terms of an AP are a and l respectively. Show that the sum of the nth term from the beginning and the nth term form the end is (](https://www.learnatnoon.com/s/in//wp-content/uploads/sites/8/2021/10/Screenshot-2021-10-18-135948.png)
The first and last terms of an AP are a and l respectively. Show that the sum of the nth term from the beginning and the nth term form the end is (
![find the sum of the first 22 terms of the AP 8, 3, - 2 No links - Maths - Arithmetic Progressions - 13382111 | Meritnation.com find the sum of the first 22 terms of the AP 8, 3, - 2 No links - Maths - Arithmetic Progressions - 13382111 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5c5c319910d72.jpg)
find the sum of the first 22 terms of the AP 8, 3, - 2 No links - Maths - Arithmetic Progressions - 13382111 | Meritnation.com
![the 1st and last terms of an ap are 5and 45 respectively of the sum of all its term is 400 find the common - Brainly.in the 1st and last terms of an ap are 5and 45 respectively of the sum of all its term is 400 find the common - Brainly.in](https://hi-static.z-dn.net/files/d4b/94d4f6b1cb422bdfdb0eed35166692ce.jpg)