Expression 7: "c" equals left brace, "g" equals StartFraction, 1 Over StartRoot, 2 , EndRoot , EndFraction : "b" minus "b" StartRoot, 2 , EndRoot , StartFraction, "a" left parenthesis, 2 "g" squared minus 4 "g" plus 1 , right parenthesis Over 1 minus 2 "g" squared , EndFraction , right bracec=g=12:b−b2,a2g2−4g+11−2g2
7
Expression 8: "d" equals left brace, "g" equals StartFraction, 1 Over StartRoot, 2 , EndRoot , EndFraction : left parenthesis, StartRoot, 2 , EndRoot minus 2 , right parenthesis "b" , StartFraction, "a" left parenthesis, 2 "g" squared minus 4 "g" plus 3 , right parenthesis Over 2 "g" squared minus 1 , EndFraction , right braced=g=12:2−2b,a2g2−4g+32g2−1