In DeltaABC, angleC=90^(@). D is a point...

In `DeltaABC, angleC=90^(@)`. D is a point on CA from which a perpendicular drawn to AB meets it at E. If `angleEDA= angleABC`, BC = a cm., AD = x cm., AE = y cm., BE = Z cm. then DE = ……..cm.

A

`(ay)/(z+x)`

B

`(az)/(x+y)`

C

`(ax)/(y+z)`

D

None of these

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