Question: Compilers: Given the following Context free grammar A ? A + B A ? A - B A ? R R ? R / A

Compilers:

Given the following Context free grammar

A ? A + B

A ? A - B

A ? R

R ? R / A

R ? R *B

R ? r | t

B -> (A) | r | t

Eliminate left recursion and write the new grammar.

Write the FIRST and FOLLOW sets for A, B, and R.

Thank you!

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