MathematicsBinary operationsWAEC
An operation ⊙ is defined by m ⊙ n = m − n + mn. Find 2 ⊙ (−1).
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Answer: D. 1
2 − (−1) + 2(−1) = 2 + 1 − 2 = 1.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.
Mathematics · Binary operations
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