Question

Let A = {1, 2, 3, 6, 74. let R be the
retation on A defined by {(a,b); a, b€A b is exactly divisible by a}.
(i) write R is roster form .
(ii) find the range of R.​

Answer 1

Answer: 1). R= {(2,4)(2,6)(3,6)(1,2)(1,3)(1,4)(1,6)}

2). domian = {1,2,3}

3).... range= {2,3,4,)