Question

Find the sum using the partial sums. as n approaches infinity... an=√(n )–√(n+1)

Answer 1

i think it would be neg. infinity

(0-1)+(1-sqrt(2)) + (sqrt(2)-sqrt3) +...(sqrt(n-1) -sqrt(n))

= -sqrt(n)

Answer 2

good

Answer 3

I believe you are right dubmcow. However, all i you would have to say though for this question would be some does not converge. It doesn't matter if its negative, positive, or complex infinity =).

Answer 4

sum*

Answer 5

ahh could be