4. Write the following sets in roster form :
(iii) months of year whose names begin with a vowel
The set of months of the year whose names begin with a vowel in Roster form are April,August,October
Which of the following pair of sets are equal sets?
A=studentsinyourclasswhoaremorethan50yearsold, B=MonthsoftheyearwhosenamebeginswithR
(a) Write the set in Roster method. X = {months in a year}
(b) Write the set in Rule method. Y = {1, 4, 9, 16, 25}