Q 1: For I = (2,1,0,1,2) and the binary operation addition is defined on I, find the inverse of 1? Answer:

Q 2: Is a*b = a+b, a, b € 1 is a binary operation? Write your answer as Y or N. Answer:

Q 3: Find the identity element a*b = a+b+ab, a, b € I Answer:

Q 4: Is a*b = a^{2} + b^{2} on Q commutative? Write your answer as Y or N. Answer:

Q 5: Check if a*b = ab/4 is associative. Write your answer as Y or N. Answer:

Q 6: Check if a*b = a+ab is associative. Write as Y or N Answer:

Q 7: Find if the binary operation a*b = (a+b)/2 on Q associative? Write your answer as Y or N. Answer:

Q 8: Find identity element in i = {1,0,1} if the binary operation is addition defined on I. Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

