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In trianlge ABC, point D lies on BC such...

In trianlge ABC, point D lies on BC such that `angleBAD = 45^(@), angleDAC = 30^(@)`, If `BD:DC=2:1` then `3cotangleADC` is equal to

A

`2+sqrt(3)`

B

`2-sqrt(3)`

C

`sqrt(3)`

D

`1/sqrt(3)`

Text Solution

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The correct Answer is:
B
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