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If the 10th term of an AP is 52 and 17th term is 20 more than its 13th term , find the AP |
| Answer» Given:(a+16d)= 20+(a+12d) a-a+16d-12d= 20 4d=20 d=5 Now, a+9d= 52 a+9•5=52 (d=5) a+45=52 a=7So,A.P= 7,12,17,22....... | |