Exercise 3. Are the following series convergent, divergent: 1. notvn+ 1 Ln= 1 n2 ( 1+vn)+3 ( - 1 )n 2. Lin=1 Vn'tn+1 For this series, determine also whether the series is absolutely convergent, conditionally convergent, or divergent. (2n + 3 ) 4 3. Lin=1 (n2 +n+5)3 n25" 4. Lin=1 3 45" 5n+4 (1)"(+2) For this series, determine also whether the series is absolutely convergent, conditionally convergent, or divergent