Question

Evaluate limit by N–L Formula.

lim_{n → ∞} (√n/(√r(3√r + 4√n)²)) for ∑ ∈ [r = 1,n]

Answer 1

= – (2/t) for t ∈ [4,5] 

= – 2((1/5)  – (1/4)) = –2 × – (1/20) 

= 1/10