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8.1.19  Finding subexpressions in an expression

The part command finds subexpressions of an expression. (See Section 2.9.2.)

Examples

part(x^2+x+1,2)
     
x           
part(x^2+(x+1)*(y-2)+2,2)
     

x+1

y−2
          
part((x+1)*(y-2)/2,2)
     
y−2           

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