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If A+B+C=pi and A, B, C are acute positi...

If `A+B+C=pi` and A, B, C are acute positive angles and cotA cotB cotC = k, then

A

`klt1`

B

`kgt(1)/(sqrt(3))`

C

`k=(1)/(2sqrt(3))`

D

`kle(1)/(3sqrt(3))`

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The correct Answer is:
A, C
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