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In a triangle ABC, AD is the angle bisec...

In a triangle ABC, AD is the angle bisector of `angleBAC and angleBAD=60^(@)` What is the length DA?

A

`(b + c)/(bc)`

B

`(bc)/(b + c)`

C

`sqrt (b^2 + c^2)`

D

`[(b + c)^2]/(bc)`

Text Solution

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The correct Answer is:
B
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