Subject :IMO Class : Class 9

*ABCD* is a parallelogram. *E* is a point on *BC* such that *BE* : *EC* = *m* : *n*. If *AE* and *DB* intersect at *F*, then what is the ratio of the area of ∆*FEB* to the area of ∆*AFD*?

A

B

C

D

i need the solution.......