Number of five element subset that can be chosen from the set of the first 11 natural numbers so that at least two of the five elements are consecutive,is
Select the set in which the numbers are related in the same way as are the numbers of the following set. (11, 13, 288)
Select the set in which the numbers are related in the same way as are the numbers of the following set. (11, 13, 17)
Write the set X= {1,1/4,1/9,(1)/(16),(1)/(25),…} in the set-builder form.