MathematicsBinary operationsWAEC
An operation △ is defined by p △ q = p² + q². Evaluate (1 △ 2) △ 1.
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Answer: A. 26
1 △ 2 = 5, then 5 △ 1 = 25 + 1 = 26.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.