S is a set of strings over the alphabet {a, b}* recursively defined as: Base case: a E S, bES Recursive rules: If x e S, then Rule 1: xaa e S Rule 2: bbx e S List all the strings in S of length 3. Ex: aaa, bbb

Q: Sis a set of strings over the alphabet {a, b}* recursively defined as: Base case: a e S Recursive…

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Q: 2 34 5 6 7 8 9 X (b) 9 3 716 5 2 X 4 8 (c) (abc)(cad) (d) (213)(3421)(153)

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A: This is a problem of mathematical induction, logic and reasonning.

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A: we have to find the set S

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A: Given: δ=AB-AB0 We can write it as, δ=AB-ABN   We have to prove that, δ=BβNABB-Aββ=AαNABA-αBα

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A: Option (3) is correct.

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Q: Each character in a password is either a digit [0-9] or lowercase letter [az]. How many valid…

A: We shall count this using basic mathematics.

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A: This is a problem of series . Based on concepts and formulas we will answer the question.

Q: dæ Evaluate (16 + a2)

A: sec2x -tan2x=1 cos(2x) = 2cos2(x) -1 sin(2x)=2 sin(x) cos(x) ∫cosax dx =1asin(ax)+C