7743049254
1616694711
37517529259
90052267395
b^2_7^b+10
(2,4),(1,-3)
7743049
161669
3751752
9005226
(5,-2),(-4,-3)
1663905
7128987
10178707
{(1,2),(2,1)} is this relation is an example of symmetric and transitive but not reflexive
16x^2-9y^2/4x+3y
$\sqrt{-1\}$
12=2x-1, find x