MathematicsEasy128×since 2002Q5575The pair of lines represented by $3a{x^2} + 5xy + \left( {{a^2} - 2} \right){y^2} = 0$ are perpendicular to each other for :Atwo values of aaaB∀ a\forall \,a∀aCfor one value of aaaDfor no values of aaaCheck answerSkip