Let h c g show that ng(h)/cg(h) is isomorphic to a subgroup of aut(h). note: the result of problem 3.9 is sometimes called the "n/c theorem." we shall have occasion to refer to it often

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?