Recent content by BlackTiger

Hey am currently struggling with the proof for Torricelli's trumpet (finite volume with infinite surface area for function y=1/x about the x-axis for x > or = to 1) without using the modern notation, i.e., integrals. Any help would be appreciated... i have found a couple of explanations for...

Hi all Came across this question which i have attempted to answer but am sure i have gone wrong somewhere, any help would be appreciated... Suppose fn(x):R-->R, where fn(x)=x+(1/n) (n belongs to N). Find the pointwise limits of the sequences (fn), (1/n fn) and (fn2). In each case determine...