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| 1. |
Find the middle term of the AP 6, 13,20,.....216. |
| Answer» Here,a=6 & d= 7 by nth term=a+(n-1)d we know that 216 is 31th term therefore mid term will be 16 now we can easily calculate 16th term. 16th term=6+(16-1)716 term=111 | |