12.

12. [0/1 Points] DETAILS PREVIOUS ANSWERS LARCALCET7 9.2.030. MY NOTES ASK YOUR TEACHER Find the sum of the convergent series. [ ( - 2) X Submit Answer15. [-/2 Points] DETAILS LARCALCET7 9.4.020. MY NOTES ASK YOUR TEACHER Use the Limit Comparison Test to determine the convergence or divergence of the series. 47 + 1 n = 1 70 + 1 4 + 1 70 + 1 lim -L> 0 O converges O diverges Submit Answertags=autosave#question4053711_20 Q A " 22. [-/6 Points] DETAILS LARCALCET7 11.1.041. MY NOTES ASK YOUR TEACHER Find the following. " - (1, 2 ). V = ( 5, 8 ) (a) lull + ( b ) lull (d ) U (e) TIVI U+ V (f ) u + v