please i have 9 qustions for real analysis subject i want them to be answered by 5 days i already done 1 and 4 so please do 2,3,5,6,7,8,9

I want question 2 done by monotone sequence theorem and question 3 done by a series of complex terms is said to converges absolutely. and for question 5 please approve that it is converges and what its limit and question 6,7,8 do it as what the question asking for and for question 9 done by the Cauchy product of two series defention and approve it by two steps first get blog for an to approve the series and then approve the opposite.