If the sum of n terms of an a.p is 3n2 + 5n and its mth term is 164, find the value of m?
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Karthik
May 14, 2019, 1:42pm
#1
If the sum of n terms of an a.p is 3n
^{2}
+ 5n and its m
^{th}
term is 164, find the value of m?