Parth
Last Activity: 4 Years ago
see in this case earth is moving in elliptical path so
let we’ve 2a = major axis, and 2b = minor axis
hence a = (r1 +r2)/2
let distance = d from property of ellipse it’ll be in directrix and d = (b^2)/a
hence you ‘ve a*(1 – e) = r1; which gives e= (r2-r1)/(r1+r2) e = eccentricity
e = root(1 – ((b/a)^2))
on solving you ‘ll get b = a*root( 1 – e^2)
hence b^2/a = a* (1 – e^2)
on putting r1,r2
you’ll get d = 2*r1*r2/(r1+r2)
hence option C
pls approve if it helps
