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In triangle ABC, AD bisects angle A and ...

In `triangle ABC`, AD bisects `angle A` and intersects BC at D. If BC = a ,AC = b and AB = c, then BD = ?
त्रिभुज ABC में, AD कोण A को समद्विभाजित करता है तथा BC को D पर काटता है | यदि BC = a, AC = b और AB = c है, तो BD = ?

A

`(ac)/(b+c)`

B

`(bc)/(c+a)`

C

`(ac)/(b+a)`

D

`(ab)/(b+c)`

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