MathematicsEasy175×since 2002Q2620Area of the greatest rectangle that can be inscribed in the ellipse x2a2+y2b2=1{{{x^2}} \over {{a^2}}} + {{{y^2}} \over {{b^2}}} = 1a2x2+b2y2=1A2ab2ab2abBabababCab\sqrt {ab}abDab{a \over b}baCheck answerSkip