2. Are the following series absolutely convergent, conditionally convergent or divergent? (use the appropriate test). 1. Oo 37+ 10n Zn=1 8n 2 . TOO Ln= 1 n 1 + In'n 3 . 50O 1 . 3 . 5 . ... . (2n-1) Ln = 1 5"n! 4. En=(- 1 )nmn n 3. Integrate the following using infinite series. 1. [ tan 4x X - 7 -dx 2. It ,8 ax 4. Find the arc length for the following cases: 1. r = 2 cos 0, 0 SOST 2. y = In ( cos x), 0