How can I determine the following limitlimn→∞−ln(n)nx
where x∈[2,∞)
WolframAlpha tells me the limit is 0, but I am not sure how to go about calculating it manually, I suspect L'Hospital plays a role?
Answer
From L'Hospital's Rule, we have
limn→∞−lnnnx=limn→∞−1/nxnx−1=−1xlimn→∞1nx=0
when x>0
No comments:
Post a Comment