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| 1. |
If the seventh term of an Ap is 1/9 & its 9th term is 1/7. Find its 63rd term |
| Answer» a7=1/9a+6d=1/9 let it be eq 1a9=1/7a+8d=1/7 let it be eq 2 Now substitute both by elimination method you will get value of a and d Then put it in a+62d You will get your answer | |