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| 1. |
The 8th term of ap is 0 prome that 38th term is triple than 18th term |
| Answer» a(8) = a+7d, where a is the first term and d is the common difference.\xa0a+7d=0\xa0a=-7d\xa0A +7d= 0a= -7dAs is the 38th term\xa0a₃₈ = a +37d= -7d + 37d\xa0= 30da(38) = a+37d = -7d+37d = 30d\xa0a(18)=a+17d = -7d+17d = 10d\xa030 d = 3 times 10 d\xa038th term is triple its 18th term | |