Let R= {(x y); x,y belongs to N, x+2y=13} then write R as an ordered pair and also find domain - Maths - Relations and Functions

Question

Let R= {(x y); x,y belongs to N, x+2y=13} then write R as an
ordered pair and also find domain and range

Anuradha Sharma · Accepted Answer

Hi, R = x,y; x,y ∈N , x+2y = 13 so x+2y = 13 now x = 1 then y = 6, x = 3 then y = 5, x = 5 then y = 4 and when x =7 y = 3 , and when x = 9 y = 2 and when x = 11 then y = 1 so R = 1,6,3,5, 5,4, 7,3,9,2,11,1So domain = 1,3,5,7,9,11range = 6,5,4,3,2,1Regards

Let R= {(x.y); x,y belongs to N, x+2y=13} then write R as an ordered pair and also find domain and range.