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Parabola question

2023 · 30 Jan · Shift 2 · Q31
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  5. /2023 · 30 Jan · Shift 2 · Q31

Parabola question

2023 · 30 Jan · Shift 2 · Q31

JEE MainMathematicsParabolaMCQ+4 / −1
The 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 :
  1. A
    da,eb,fc\frac{d}{a}, \frac{e}{b}, \frac{f}{c}ad​,be​,cf​ are in A.P.
  2. B
    da,eb,fc\frac{d}{a}, \frac{e}{b}, \frac{f}{c}ad​,be​,cf​ are in G.P.
  3. C
    d,e,fd, e, fd,e,f are in A.P.
  4. D
    d,e,fd, e, fd,e,f are in G.P.
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