Expression 2: "z" equals left brace, StartFraction, "x" squared Over 98 squared , EndFraction plus StartFraction, "y" squared Over 116.5 squared , EndFraction equals 1 : 35 , right bracez=x2982+y2116.52=1:35
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Expression 3: StartFraction, "x" squared Over 2.2 3 squared , EndFraction plus StartFraction, "y" squared Over 2.9 7 squared , EndFraction equals StartFraction, left parenthesis, "z" plus 52 , right parenthesis squared Over 2.0 9 squared , EndFractionx22.232+y22.972=z+5222.092
