Q.6 Fora e R.lal > 1, let 1+ V2 + ....
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Q.6 Fora e R.lal > 1, let 1+ V2 + ... + V lim n- 727/3 can+1) + Tan+232 + ... + (an+n)?) Then the possible value(s) of a is/are (C) 7 (D) 8 (A) -9 (B) -6

JEE/Engineering Exams
Maths
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( lim _{n rightarrow infty}left(frac{1+sqrt[3]{2}+sqrt[3]{3} cdot cdots sqrt[3]{n}}{n^{1 / 3}left(frac{1}{(a n+1)^{2}}+frac{1}{(a n+1)^{2}}-(a n+n)^{2}right)}right. ) ( frac{-25 sum_{n=1}^{15}left(frac{r}{n}right)^{1 / 3}}{n^{n} times frac{1}{n^{2}}left(frac{3}{(a+r)}right)^{2}}=frac{frac{1}{n} sumleft(frac{r}{n}right)^{1 / 3}}{frac{1}{n} sum_{i}left(a+frac{1}{n}right)^{2}} ) ( frac{3 a(a+1)}{1}=5418 ) ( a=8(a+1)=72 )
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