Question: Find a CFG for the language defined by a*b* a. S->X | Y, X->aX | null, Y->bY | null b. S->abS | null c. S->XY,

Find a CFG for the language defined by a*b*

a. S->X | Y, X->aX | null, Y->bY | null

b. S->abS | null

c. S->XY, X->aX | null, Y->bY | null

d. None of the above

S->a*b* | null

S->X*Y*, X->aX | null, Y->bY | null

S->XY, X->aX, Y->bY

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