When n=1, there is 1 dot. When n=2, there are 3 dots. When n=3, there are 6 dots. so when n=1 the eqaution would show as when sloving this combin the like terms in the parenthesis so 1+1 =2 and 1*2 = 2 when that is divided it equals 1.
Because a shoveling business is inly needed during winter and fall only if it snows and the leaves fall airplane manufacturing is used everyday in any type of season or weather
