ABCD is a quadrilateral whose diagonals are AC and BD. Which one of the following is correct?
1
\(\overrightarrow {{\rm{BA}}} + \overrightarrow {{\rm{CD}}} = \overrightarrow {{\rm{AC}}} + \overrightarrow {{\rm{DB}}} \)
2
\(\overrightarrow {{\rm{BA}}} + \overrightarrow {{\rm{CD}}} = \overrightarrow {{\rm{BD}}} + \overrightarrow {{\rm{CA}}} \)
3
\(\overrightarrow {{\rm{BA}}} + \overrightarrow {{\rm{CD}}} = \overrightarrow {{\rm{AC}}} + \overrightarrow {{\rm{BD}}} \)
4
\(\overrightarrow {{\rm{BA}}} + \overrightarrow {{\rm{CD}}} = \overrightarrow {{\rm{BC}}} + \overrightarrow {{\rm{AD}}}\)