Answers

2016-02-25T13:36:21+05:30
Bro it is (3p-1)/6 or 3p -1/6 make it clear
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2016-02-29T11:14:39+05:30
1st term=(3-1)/6 = 1/3 = a1
nth term = ( 3n-1)/6 = an
Sum = n/2 (a1 + an)
sum=n/2(1/3 + (3n-1)/6)
=(1/6 + n/2)n/2

ans is n/4(n + 1/3)...







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