The length of the shortest string NOT in the language (over ‚âà√≠¬¨¬£ = {a, b}) of the following regular expression is _____________$

The length of the shortest string NOT in the language (over ‚âà√

1.	The length of the shortest string NOT in the language (over ‚âà√≠¬¨¬£ = {a, b}) of the following regular expression is _____________$
A.	a
B.	2
C.	3
D.	4
Answer» C. 3