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The value of ("lim")(nvecoo)sum(r=1)^(4n...

The value of `("lim")_(nvecoo)sum_(r=1)^(4n)(sqrt(n))/(sqrt(r)(3sqrt(r)+sqrt(n))^2)` is equal to `1/(35)` (b) `1/4` (c) `1/(10)` (d) `1/5`

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