Please solve this 1^st year question as fast as possible (best in 1 hour), I will immediately give a helpful rating

1. (15 marks} In each case, state whether the statement is true or false. Explain your answers. in _ n converges because 11n1 =1. n+3 nmo.+3 (a) The series 2 n=0 (b) If 0 <_: an for all n and ea converges then eb converges. . the serles sm is conditionally convergent. series :0: convergent if in. a is...="B," inn-b ab.>