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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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