I want to ask, how to start a proof that shows a sequence to be unbounded
Define a sequence {Xn} by
X1=1,Xn+1=Xn+√Xnfor n≥1
Prove that {Xn} is unbounded.
How to find lim without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...
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