write a relation on A = {1, 2, 3, 4} which is reflexive but not transitive
(x-1)^2/64 + (y+4)^2/49 = 1
9900140.4664
9412380.9176
.13840
.4512
1931252021352.487760
1980028012328.18824760
3862504033680.9975520
396005609024.37649...
(0.5326*(-1)*0.5326*0.5326)/(2*2*(2*2+1))
x^2-5x-8
6 - 1 x 0 + 3 / 3
