Hello Sajid
Put x = 9
y = 2(9) + 1
y = 18 + 1 = 19
So, x = 9, y = 19
So, (9, 19) is in the set
Written on March 20, 2018, 1:37 p.m.
Hello Sajid
Put x = 9
y = 2(9) + 1
y = 18 + 1 = 19
So, x = 9, y = 19
So, (9, 19) is in the set
Written on March 20, 2018, 1:37 p.m.