The earth moves arround
the sun in an elliptical
orbit with the sun at
one of its foci.the eccentricity
(1/3).the shortest distance
from the earth to sun
is 3000000km.Find the
furthest distance of the
earth from the sun.
Q= In how many ways 8 students can be divided into two equal groups?
Ans= ((8!)/(2!×(4!)^2 ))
here why two factorial is divided?
we do not do the same incase of distributing 52 cards equally among 4 persons.
pls explain...