this is for functions, topic: discrete functions/sequences the question is about how many toothpicks are in a 20x20 square. so.. 1x1 square = 4toothpicks,
2x2 square = 12toothpicks and so on and by using the table method i found out 20x20square = 840toothpicks. but I also need other methods to find the solution. what else can i use besides explicit, recursion formula, table of values.. ...