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GateForum Test Series: Theory Of Computation  Identify Class Language
0
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My answer is C but the answer provided is D.
gateforumtestseries
theoryofcomputation
identifyclasslanguage
asked
Oct 27, 2018
in
Theory of Computation
by
Gupta731
edited
Mar 12, 2019
by
akash.dinkar12

47
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answer
comment
0
Option D
0
Yes, Please explain.
0
Option c is already included in option D.
Intersection of these two languages also contains strings of the form aabbcd,abccdd,abcd,...and so on.
You can eliminate options A and B by counter ecamples.
Is it clear now?
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Yes, Thank You :)
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Zeal Test Series 2019: Theory of Computation  Identify Class Language
asked
Dec 22, 2018
in
Theory of Computation
by
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72
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Zeal Test Series 2019: Theory of Computation  Identify Class Language
suppose we define max(L) = $ \{ \; x \;\; x \in L,(\;\forall y \in \Sigma ^*,(y\neq \lambda )\Rightarrow (xy\notin L)\;\;) \;\}$ let L$_1$ = $ \{ \;a^ib^jc^k\;\;k ≤i \;or\; k ≤j;where\; i,j,k ≥ 0 \;\}$ and L$_2$ ... CFL (c) max( L$_1$ ) is CFL but max( L$_2$ ) is not CFL. (d) max( L$_2$ ) is CFL but max( L$_1$ ) is not CFL.
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Nov 25, 2018
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