The binary operation * is defined on the set of integers as a * b = a + b + 1 ∀ a,b ∈ Z. Then identify elements is(a) 1(b) 0(c) -1(d) None of these

The binary operation * is defined on the set of integers as a * b = a

1.	The binary operation * is defined on the set of integers as a * b = a + b + 1 ∀ a,b ∈ Z. Then identify elements is(a) 1(b) 0(c) -1(d) None of these
Answer» Answer is (c) -1

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The binary operation * is defined on the set of integers as a * b = a + b + 1 ∀ a,b ∈ Z. Then identify elements is(a) 1(b) 0(c) -1(d) None of these

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