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Question Number 187762 by normans last updated on 21/Feb/23

i f p o i n t P i s a n y p o i n t i n s i d e

△ A B C w i t h s i d e l e n g h t s a, b a n d c .

p r o v e t h a t;

\frac{P A}{a} + \frac{P B}{b} + \frac{P C}{c} ⩾ \sqrt{3}