ISRO exam 2015 – Question 43 with Solution

In this video we are going to discuss another question which was asked in the exam of ISRO

Let R1 and R2 be regular sets defined over the alphabet, then
(A) R1 ∩ R2 is not regular
(B) R1 ∪ R2is not regular
(C) Σ * – R1 is regular
(D) R1 * is not regular

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Himanshu Kaushik
M.TECH (CS), B.TECH (IT), SENIOR FACULTY, DIRECTOR

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