MCQ PracticeFourth proportional to (a 2 - b 2 ), (a 2 - ab), (a 3 + b 3 ) isSubject: MathematicsTopic: Ratio And ProportionAa - bBa 4 + b 4Ca(a 2 - ab + b 2 )Da 3 - a 2 b 2 + b 2Correct Answer: CPractice 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