MCQ PracticeIf x = y = z, then frac(x + y + z)^2x^2 + y^2 + z^2 is?Subject: MathematicsTopic: AlgebraA2B3C1D4Correct 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