The 8 th term of an ap is 0 proove that its 38 th term is tripple its 18 th term
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Step-by-step explanation:
T8=0
a+7d=0》 a=-7d
from rhs 》T38=3×T18
a+37d=3(a+17d)
a+37d=3a+51d
-2a=14d
a=-7d proved
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Step-by-step explanation:
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