Please complete

1. Evaluate the following limits or indicate that they diverge. . 2. (a) $111;ng .rr 5 _ a: ('0) he; 2. Evaluate the improper integrals or show that they diverge. Make careful use of limit notation. 10 2 a d ()/2 33:_2 I 0 ( ) \"'3 air a 3 V33 1 5 d1: Dc\" 1 (c) . (11' 1 :13" + 2 4. Find the arc length of y = rm/E, from a: = (J to ;r. = 1. 5. Find the centroid of the region enclosed by the parabola y = 1 $2 and by the w-axis