need some help with this lims

[limber walrus]

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[wraith rune]

@pine bluff sorry for the ping

but can u give me some ideas?

[pine bluff]

what's [] here

a) try a substitution. ||x=1/z||
b) same thing. ||x=z^2||
c) ||=<nln(n)/n(n+1) -> 0||

spoilers are hints

c might be the solution

d) idk calculus

[half loom]

For the last one use the kings property

Or use the the substitution x=-u
Which is the same

[wraith rune]

at a i just did the

x-1 < x <= x

at b i did euler