A,B,C & D are four distinct points
of a circle in such a way that chords
AB & CD cut each other inside
the circle at the point E. Consequently
the circle is divided in four parts
(AEC,CEB,BED & DEA).
[AEC means the region outlined
by AC^(⌢) ,AE^(−) & CE^(−) ]
If AE : BE=a:b and CE : DE=c:d,
what is ratio between the four
parts of the circle?
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