Given Grammar: S->A, A->aA, A->e, B->bA Which among the following productions are Useless productions?

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answerhappygod
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Given Grammar: S->A, A->aA, A->e, B->bA Which among the following productions are Useless productions?

Post by answerhappygod »

a) S->A
b) A->aA
c) A->e
d) B->bA
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