MCQ PracticeIf (x)/(y)= (a + 2)/(a - 2), then the value of fracx^2 - y^2x^2 + y^2 =?Subject: MathematicsTopic: AlgebraAfrac2aa^2 + 2Bfrac4aa^2 + 4Cfrac2aa^2 + 4Dfrac4aa^2 + 2Correct 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