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i added a link with the picture of the solution

i cant understand a certain solution

of finding for which values of "n"

he function is continues

first they split n<0 case

and check what limit comes out of it

an get that the limit is not constant so it not possible

then they check n>0 case

and get a constant limit value and then suddenly they switch

to the answer n>=1

how did they get this answer???

why in the first place they picked the case n>0

n<0

why couldnt i pick the cases

n>9

n<9

why did they pick this number??

http://img337.imageshack.us/my.php?image=66816873ds0.png

i cant understand a certain solution

of finding for which values of "n"

he function is continues

first they split n<0 case

and check what limit comes out of it

an get that the limit is not constant so it not possible

then they check n>0 case

and get a constant limit value and then suddenly they switch

to the answer n>=1

how did they get this answer???

why in the first place they picked the case n>0

n<0

why couldnt i pick the cases

n>9

n<9

why did they pick this number??

http://img337.imageshack.us/my.php?image=66816873ds0.png

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