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In a triangle ABC, AD is perpendicular o...

In a triangle ABC, AD is perpendicular on BC. If `angle BAC = 90^(@), AB = c, BC = a, CA = b` and AD = p, then which one of the following is correct?

A

p = abc

B

`p^(2) = b c`

C

`p = (b c)/(a)`

D

`p = (a b)/(c)`

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