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High School Mathematics - 2
5.3 Binary Operations - Review

High School Mathematics - 2
5.3 Binary Operations - Review

Q 1: Find identity element in i = {-1,0,1} if the binary operation is addition defined on I.
Answer:

Q 2: Find the identity element a*b = a+b+ab, a, b I
Answer:

Q 3: Is a*b = a+b, a, b 1 is a binary operation? Write your answer as Y or N.
Answer:

Q 4: Check if a*b = ab/4 is associative. Write your answer as Y or N.
Answer:

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