Determine whether the given series diverges, converges, converges conditionally or converges absolutely. If it is geometric, compute the sum. Be sure to state which test(s) you used. Number 7, 8, and...

Determine whether the given series diverges, converges, converges conditionally or converges

absolutely. If it is geometric, compute the sum. Be sure to state which test(s) you used. Number 7, 8, and 9 please.

Extracted text: 1 7) En=2 In n)" 8. 8) Ln=1 (-1)"n² n%3D1 8. n² +1 n2-Vn 9) En=3 %3D3 4-n2