1.

Which of the following are context free language?

A. L={a<sup>i</sup>b<sup>i</sup>|i&gt;=0}
B. L={ww<sup>r</sup>| w is a string and r represents reverse}
C. All of the mentioned
D. one of the mentioned
Answer» B. L={ww<sup>r</sup>| w is a string and r represents reverse}


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