Please assist in solving these questions and some steps to solve this efficiently. Thank you

Secon 8.4: exercise 22 In exercises 124. determine whether the series is convergent or divergent. 22. iblf i=2 Secon 8. 5: exercise 46 In exercises 4160, name the method by identifving a test that will determine whether the series converges or diverges. 46. 2(415)' k=l