The Result Vector: left parenthesis, "d" Subscript, "x" , Baseline , "d" Subscript, "y" , Baseline , right parenthesisdx,dy
ป้ายกำกับ:
equals=
left parenthesis, 4 , 5 , right parenthesis4,5
14
Formula:
15
Add x's with x's and y's with y's:
16
ซ่อน ป้ายกำกับ left parenthesis, "x" Subscript, 1 , Baseline plus "x" Subscript, 2 , Baseline , "y" Subscript, 1 , Baseline plus "y" Subscript, 2 , Baseline , right parenthesisx1+x2,y1+y2