Label: "P" equals left parenthesis, "a" squared , "a" , right parenthesisP=a2,a
Label:
equals=
left parenthesis, 4 , 2 , right parenthesis4,2
3
Expression 4: "a" equals 2a=2
negative 10−10
1010
4
Expression 5: "d" Subscript, "o" "t" , Baseline left parenthesis, "u" , "v" , right parenthesis equals "u" . "x" "v" . "x" plus "u" . "y" "v" . "y"dotu,v=u.xv.x+u.yv.y
5
Expression 6: "d" Subscript, "o" "t" , Baseline left parenthesis, left parenthesis, "x" , "y" , right parenthesis , "n" left parenthesis, "a" , right parenthesis , right parenthesis equals "d" Subscript, "o" "t" , Baseline left parenthesis, "P" , "n" left parenthesis, "a" , right parenthesis , right parenthesisdotx,y,na=dotP,na