Find the sum of the series. P. 3 14_ 1e+:!%+... 15. [tan_l(n+l)tan_l(n)] Hint- This is a Telescoping Series Use the integral test to show converges or diverges. 1 2 rzln2 (n) 1 16. 17. 23 n2+6n+13 Determine whether the series is convergent or divergent. No guessing and justify your answer. co M H 3 18. Z "1 19. 2(4) " "=1 2n+l H=I "4 +1 20 i 1 21 on; ' ,,=12+3" ' "1n! i n2+2 S _ 22. "=14" '1 23. 2'" n 1