Expression 21: StartFraction, ln left parenthesis, cos left parenthesis, "x" , right parenthesis , right parenthesis Over "x" , EndFractionlncosxx
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Expression 22: "y" equals StartFraction, "x" squared plus "y" squared Over "x" squared minus "y" squared , EndFractiony=x2+y2x2−y2
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Expression 23: "x" "y" Superscript, "y" "x" , Baseline equals "x" Superscript, 2 "y" , Baselinexyyx=x2y
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Expression 24: "y" equals StartFraction, left parenthesis, "x" plus "y" , right parenthesis Superscript, "y" , Baseline "x" Superscript, "y" , Baseline left parenthesis, "y" minus "x" , right parenthesis Superscript, negative "x" "y" , Baseline "y" Superscript, "x" "y" , Baseline Over "y" "y" Superscript, negative "x" , Baseline left parenthesis, "x" "y" , right parenthesis Superscript, "y" minus "x" , Baseline plus left parenthesis, "y" "x" Superscript, "y" , Baseline "y" Superscript, "x" , Baseline , right parenthesis Superscript, left parenthesis, "x" "y" , right parenthesis Superscript, "y" , Baseline , Baseline , EndFractiony=x+yyxyy−x−xyyxyyy−xxyy−x+yxyyxxyy
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Expression 25: "x" to the 6th power plus "y" to the 5th power equals "x" to the 7th power plus "y" to the 4th powerx6+y5=x7+y4
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Expression 26: 4 Superscript, ln left parenthesis, sin "y" , right parenthesis , Baseline equals tangent left parenthesis, StartAbsoluteValue, "x" , EndAbsoluteValue , right parenthesis4lnsiny=tanx
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Expression 27: "e" Superscript, sin "x" , Baseline plus "x"esinx+x
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Expression 28: StartFraction, "x" Over "y" , EndFraction Superscript, "x" , Baseline equals 2xyx=2
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Expression 29: "x" Superscript, "x" "y" , Baseline equals "y" Superscript, "x" Superscript, "x" , Baseline , Baselinexxy=yxx
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Expression 30: "y" Superscript, "x" , Baseline equals "x" "y"yx=xy
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Expression 31: "x" Superscript, "x" , Baseline equals "y" mod left parenthesis, "x" , 2 , right parenthesisxx=ymodx,2
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Expression 32: "x" squared "y" plus "y" squared "x" equals "y" Superscript, "x" , Baselinex2y+y2x=yx
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Expression 33: StartAbsoluteValue, "y" , EndAbsoluteValue Superscript, "x" , Baseline equals StartAbsoluteValue, "x" plus 2 , EndAbsoluteValueyx=x+2
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Expression 34: StartFraction, "x" squared plus "y" squared Over "x" squared minus "y" squared , EndFraction equals StartFraction, 1 Over "x" "y" , EndFractionx2+y2x2−y2=1xy
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Expression 35: "y" equals StartFraction, "y" Superscript, "x" , Baseline Over "x" Superscript, "y" , Baseline , EndFractiony=yxxy
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Expression 36: "y" Superscript, "x" , Baseline equals "x" squared "y"yx=x2y
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Expression 37: "y" equals Root Index StartFraction, "x" Over "y" , EndFraction , Start Root, "y" "x" , End Rooty=xyyx
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Expression 38: "x" equals left parenthesis, "x" plus "y" , right parenthesis Superscript, left parenthesis, "x" minus "y" , right parenthesis , Baselinex=x+yx−y
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Expression 39: left parenthesis, "x" plus "y" , right parenthesis squared equals left parenthesis, "x" "y" , right parenthesis squaredx+y2=xy2
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Expression 40: "x" "y" Superscript, "y" "x" , Baseline equals "x" Superscript, pi "y" , Baselinexyyx=xπy
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Expression 41: Root Index "x" , Start Root, 4 "x" squared , End Rootx4x2
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Expression 42: "x" Superscript, "y" , Baseline equals 2xy=2