Let A = {2, 3, 4, 5} and B = {3, 6, 7, 10}. Let R = {(x, y): x ϵ A, y ϵ B and x is relatively prime to y}. (i) Write R in roster form. (ii) Find dom (R) and range (R).

Question

Philoid · Accepted Answer

Given: A = {2, 3, 4, 5} and B = {3, 6, 7, 10}

(i) R = {(x, y), : x ϵ A, y ϵ B and x is relatively prime to y}

So, R in Roster Form,

R = {(2, 3), (2, 7), (3, 7), (3, 10), (4, 3), (4, 7), (5, 3), (5, 6), (5, 7)}

(ii) Dom(R) = {2, 3, 4, 5}

Range(R) = {3, 6, 7, 10}

Let A = {2, 3, 4, 5} and B = {3, 6, 7, 10}.Let R = {(x, y): x ϵ A, y ϵ B and x is relatively prime to y}.(i) Write R in roster form.(ii) Find dom (R) and range (R).

Let A = {2, 3, 4, 5} and B = {3, 6, 7, 10}.
Let R = {(x, y): x ϵ A, y ϵ B and x is relatively prime to y}.

(i) Write R in roster form.

(ii) Find dom (R) and range (R).