If the binary operation * defined on Q, is defined as a * b = 2a + b � – InterviewSolution

1.	If the binary operation * defined on Q, is defined as a * b = 2a + b – ab for all a, b ∈ Q, then find the value of 3 * 4.
Answer» 3 * 4 = 2 × 3 + 4 – 3 × 4 = –2

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