MathematicsMedium92×since 2002Q4700The parabolas : ax2+2bx+cy=0a x^2+2 b x+c y=0ax2+2bx+cy=0 and dx2+2ex+fy=0d x^2+2 e x+f y=0dx2+2ex+fy=0 intersect on the line y=1y=1y=1. If a,b,c,d,e,fa, b, c, d, e, fa,b,c,d,e,f are positive real numbers and a,b,ca, b, ca,b,c are in G.P., then :Ada,eb,fc\frac{d}{a}, \frac{e}{b}, \frac{f}{c}ad,be,cf are in A.P.Bda,eb,fc\frac{d}{a}, \frac{e}{b}, \frac{f}{c}ad,be,cf are in G.P.Cd,e,fd, e, fd,e,f are in A.P.Dd,e,fd, e, fd,e,f are in G.P.Check answerSkip