Group 1
Group 2
Group 3
Group 4
100

sum_(n=1)^oo3(3/2)^n

Diverge by geometric 3/2>1

100

sum_(n=1)^oo(n/(2n+12))

Diverges by nth term  Lim = 1/2 does not equal 0

100

sum_(n=0)^oo(-.9)^n

Converge by alternating series test OR geometric Test

100

sum_(n=0)^oo(2/n^(3/2))

p-series converges 3/2>1

200

sum_(n=1)^oo(7n^(-4))

p-series 4>1 converges

200

sum_(n=o)^oo(9/2^n)

Converge by geometric or ratio test

200

sum_(n=3)^oo(7^(n+2)/5^(2n))

Diverge by geometric r=7/25

200

sum_(n=1)^oo((-1)^(n+1)/(n!))

Converges by alternating series test

300

sum_(n=1)^oo(3^n/n^2)

Diverges by Ratio test

300

sum_(n=1)^oo(2/(n^2+5))

Converges by direct or limit comparison test

300

sum _(n=0)^oo(7-n+n^3)/(4n^3+6n+9)

Diverges by nth term

300

sum_(n=0)^oo((n^2)2^(n+1))/3^n

Converge by Ratio Test 2/3 <1

400

sum_(n=1)^oo((n+3)!)/((n+2)!)

Diverges by nth term test

400

sum_(n=1)^oo(n/((-2)^(n-1)))

Converges by the alternating series test OR Ratio test

400

sum_(n=1)^oo(n*e^(-n^2))

Converges by the integral test

400

sum_(n=1)^oo((n!)/10^n)

Diverges by the ratio test

500

sum_(n=1)^oo((lnn)^4)/n

Diverge by integral Test

500

sum _(n=1)^oo(2sin^2(n))/(n^5)

Converges by Direct Comparison Test (2/n^5)

500

sum_(n=2)^oo(n/((n^2+6))^4)

Converge by integral test or comparison Test (1/n^7)

500

For what values of p in the following series, would the series converge?

sum_(n=1)^oo(3/n^(p-3))

p>4  (must have exponent larger than 1 to converge by p-series)