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In triangle ABC ,AD is the bisector of a...

In `triangle ABC` ,AD is the bisector of `angle A`,meets BC at D. If BC = a, AC = b and AB = c, then BD - DC=
त्रिभुज ABC में, AD, जो कोण A का समद्विभाजक है ,BC से D पर मिलता है| यदि BC = a, AC = b और AB =c है, तो BD - DC = ?

A

a)`(ac)/(b+c)`

B

b)`(a(c+b))/(c-b)`

C

c)`(a(c-b))/(c+b)`

D

d)`(ab)/(b+c)`

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The bisector of angle B in triangle ABC meets AC at D. If AB = 10 cm, BC= 11 cm and AC = 14 cm, then the length of AD is: triangle ABC में angle B का समद्विभाजक AC से D पर मिलता है | यदि AB =10 सेमी, BC = 11 सेमी और AC =14 सेमी है, तो AD की लंबाई क्या होगी ?

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