Planning to take coaching on Unacademy
http://bit.ly/gate_unacademy
or
https://unacademy.com/
here is a code for 10% off PLUS1BPK1
Telegram Notification Group link:-
https://t.me/joinchat/X5egW_cvdt9kMGY1
Telegram discussion Group link:-
https://t.me/joinchat/VCyGUmVq8RNkMzhl
Downloads resources from here
https://education4fun.com/gate-cse/
MCQ (Single Correct Answer)
GATE CSE 2017 Set 2
Let L1 and L2 be any context-free language and R be any regular language. Then, which of the following is correct ?
I. L1 ∪ L2 is context-free. II. L1' is context-free. III. L1-R is context-free. IV. L1 ∩ L2 context-free.
(A) I, II and IV only(B) I and III only(C) II and IV only(D) I only
