PICTURES: Ratio Test and Direct Comparison test.? CALC II

[ashmarayan]

last 2 problems hw pls help

1. use ratio test to determine if the series converges or diverges

link to picture of problem: http://tinypic.com/r/2ih6nfd/8



infinity
sigma ((n+1)(n+2))/n!
n=1

2. Use direct comparison test to determine if the series converges or diverges.

link to picture of problem: http://tinypic.com/r/k3rq87/8


infinity
sigma ([sin^2)n])/(sqrt of [(n^4)+3])
n=1

 

[Deleted member 4993]

last 2 problems hw pls help

1. use ratio test to determine if the series converges or diverges

link to picture of problem: http://tinypic.com/r/2ih6nfd/8


View attachment 4488
infinity
sigma ((n+1)(n+2))/n!
n=1

2. Use direct comparison test to determine if the series converges or diverges.

link to picture of problem: http://tinypic.com/r/k3rq87/8


infinity View attachment 4489
sigma ([sin^2)n])/(sqrt of [(n^4)+3])
n=1

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