Expresión 7: "T" equals StartFraction, left parenthesis, "A" "D" plus "C" "E" , right parenthesis Over 2 left parenthesis, "A" squared plus "C" squared , right parenthesis , EndFractionT=AD+CE2A2+C2
equals=
2.2 5 1 1 7 0 0 4 6 82.2511700468
7
Expresión 8: left parenthesis, "D" minus 2 "A" "T" , right parenthesis "x" plus left parenthesis, "E" minus 2 "C" "T" , right parenthesis "y" plus "F" minus "T" squared equals 0D−2ATx+E−2CTy+F−T2=0
8
Expresión 9: "A" "x" plus "C" "y" plus "T" equals 0Ax+Cy+T=0