MCQ PracticeIf (a - b) = 4 and ab = 2, then (a 3 - b 3 ) is equal to:Subject: MathematicsTopic: AlgebraA92B88C84D80Correct Answer: BPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the