# How to find the limit of a converging sequence??

#1
Un = 3n^2 + 1 all over n^2... Can someone help me on how to find the limit to this converging sequence?
0
3 years ago
#2
Long division first, then let n--> infinity to get the limit
2
3 years ago
#3
(Original post by apaul322)
Un = 3n^2 + 1 all over n^2... Can someone help me on how to find the limit to this converging sequence?
Well you want to find the limit of
Let's think about what happens as n approaches infinity: that is, n becomes RIDICULOUSLY large.
3 will stay as 3
1/n^2? Well 1/(a very big number) will limit to 0
So it converges to 3 + 0 = 3.
0
#4
(Original post by 3pointonefour)
Well you want to find the limit of
Let's think about what happens as n approaches infinity: that is, n becomes RIDICULOUSLY large.
3 will stay as 3
1/n^2? Well 1/(a very big number) will limit to 0
So it converges to 3 + 0 = 3.
Thanks soo muchh helped me a lott
0
3 years ago
#5
(Original post by apaul322)
Thanks soo muchh helped me a lott
No problem
What level of maths are you studying at, just out of interest?
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#6
(Original post by 3pointonefour)
No problem
What level of maths are you studying at, just out of interest?
i have my Core Maths 2 exam this weednesday and im doing my A levels at the moment.. What do u mean by level?
0
3 years ago
#7
(Original post by apaul322)
i have my Core Maths 2 exam this weednesday and im doing my A levels at the moment.. What do u mean by level?
I meant whether you were studying at AS, A2 etc. Well good luck for your exam!
0
#8
(Original post by 3pointonefour)
I meant whether you were studying at AS, A2 etc. Well good luck for your exam!
im doing my A2 atm
0
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