Set s consists of all possible values of the product ab, where a and b are integers such that 0< a< b < 10.
Answers
s = { 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 12 , 14 , 15 , 16 , 18 , 20 , 21 , 24 , 27 , 28 , 30 , 32 , 35 , 36 , 40 , 42 , 45 , 48 , 54 , 56 , 63 ,72 }
All possible values of the product ab, where a and b are integers such that 0< a < b < 10.
Step-by-step explanation:
a = { 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9}
b = { 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9}
a
1 2 3 4 5 6 7 8 9
2 - 6 8 10 12 14 16 18
3 - - 12 15 18 21 24 27
4 - - - 20 24 28 32 36
5 - - - - 30 35 40 45
6 - - - - - 42 48 54
7 - - - - - - 56 63
8 - - - - - - - 72
9 - - - - - - - -
s = { 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 12 , 14 , 15 , 16 , 18 , 20 , 21 , 24 , 27 , 28 , 30 , 32 , 35 , 36 , 40 , 42 , 45 , 48 , 54 , 56 , 63 ,72 }