Expression 7: StartFraction, "a" cubed Over "a" squared plus "x" Superscript, 2 "n" , Baseline , EndFractiona3a2+x2n
7
Expression 8: "n" equals 1n=1
11
1010
8
Expression 9: "a" minus StartFraction, "a" cubed Over "a" squared plus "x" squared , EndFractiona−a3a2+x2
9
Expression 10: "x" squared plus "y" squared equals "a" squaredx2+y2=a2
10
Expression 11: "x" squared plus left parenthesis, "y" minus StartFraction, "a" Over 2 , EndFraction , right parenthesis squared equals StartFraction, "a" squared Over 4 , EndFractionx2+y−a22=a24
11
Expression 12: "x" squared plus left parenthesis, "y" plus StartFraction, "a" Over 2 , EndFraction , right parenthesis squared equals StartFraction, "a" squared Over 4 , EndFractionx2+y+a22=a24
