MCQ PracticeIf x = 3 + 2√2, then the value of x^2 + frac1x^2 is:Subject: MathematicsTopic: AlgebraA30B36C32D34Correct Answer: DPractice 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