When representing any algebraic expression E the following uses only binary operations in a 2-tree

the operations in E will appear as exter- nal nodes and variables in internal nodes

the variable in E will appear as external nodes and operations in internal nodes

the variables and operations in E will appear only in internal nodes

When representing any algebraic expression E the following uses only b

1.	When representing any algebraic expression E the following uses only binary operations in a 2-tree
A.	the variable in E will appear as external nodes and operations in internal nodes
B.	the operations in E will appear as exter- nal nodes and variables in internal nodes
C.	the variables and operations in E will appear only in internal nodes
D.	None of the above
Answer» B. the operations in E will appear as exter- nal nodes and variables in internal nodes