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| 1. |
If the 10th term of an AP is 52 and 17th term is 20 more than its 13th term, find the AP |
| Answer» a+9d=52a+16d=a+12d+20=> 4d=20 => d= 5a+9×5=52=>a=7The AP is 7,12,17,22,..... | |