Answer
Constructing a derivation of 0^2 1^2 2^2 in the grammar given in
Example 7(in the text book).
Work Step by Step
Derivation of 0^2 1^2 2^2 is
S ⇒ 0SAB ⇒ 00SABAB ⇒ 00ABAB ⇒ 00 AABB ⇒ 001ABB ⇒ 0011BB ⇒ 00112B ⇒ 001122
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