Consider the following regular expressions:(a) r = a(b + a)*(b) s = a(a + b)+(c) t = aa*bChoose the correct answer from the options given below based on the relation between the languages generated by the regular expressions above:

Consider the following regular expressions:(a) r = a(b + a)*(b) s = a(

1.	Consider the following regular expressions:(a) r = a(b + a)(b) s = a(a + b)+(c) t = aabChoose the correct answer from the options given below based on the relation between the languages generated by the regular expressions above:
A.	L(r) ⊆ L(s) ⊆ L(t)
B.	L(r) ⊇ L(s) ⊇ L(t)
C.	L(r) ⊇ L(t) ⊇ L(s)
D.	L(s) ⊇ L(t) ⊇ L(r)
Answer» C. L(r) ⊇ L(t) ⊇ L(s)

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Consider the following regular expressions:(a) r = a(b + a)*(b) s = a(a + b)+(c) t = aa*bChoose the correct answer from the options given below based on the relation between the languages generated by the regular expressions above:

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Consider the following regular expressions:(a) r = a(b + a)(b) s = a(a + b)+(c) t = aabChoose the correct answer from the options given below based on the relation between the languages generated by the regular expressions above: