MathematicsMedium74×since 2004Q3716The line y = x + 1 meets the ellipse x24+y22=1{{{x^2}} \over 4} + {{{y^2}} \over 2} = 14x2+2y2=1 at two points P and Q. If r is the radius of the circle with PQ as diameter then (3r)² is equal to :A20B12C11D8Check answerSkip