Ekspresi 9: "y" equals "a" Subscript, 3 , Baseline left parenthesis, "x" minus "r" Subscript, 1 , Baseline , right parenthesis left parenthesis, "x" minus "r" Subscript, 2 , Baseline , right parenthesisy=a3x−r1x−r2
9
Ekspresi 10: "a" Subscript, 3 , Baseline equals 1a3=1