MCQ PracticeIf x = 3^(1)/(3) - 3^- (1)/(3) value of 3x^3 + 9x is?Subject: MathematicsTopic: AlgebraA8B9C27D16Correct Answer: APractice 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