engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Theory of Computation Regular Languages and Finite Automata Regular Languages
Which one of the following regular expressions is NOT equivalent to the regular expression (a + b + c) * ?
1
(a * + b* +c*) *
2
(a * b * c*) *
3
((ab)* +c*) *
4
(a * b* +c *) *