If, a, b, c, distinct positive real numbers then the expression \[\left( b+c-a \right)\text{ }\left( c+a-b \right)\text{ }\left( a+b-c \right)-abc\] is

If, a, b, c, distinct positive real numbers then the expression \[\lef

1.	If, a, b, c, distinct positive real numbers then the expression \[\left( b+c-a \right)\text{ }\left( c+a-b \right)\text{ }\left( a+b-c \right)-abc\] is
A.	Positive
B.	Negative
C.	Non-positive
D.	Non-negative
Answer» C. Non-positive

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If, a, b, c, distinct positive real numbers then the expression \[\left( b+c-a \right)\text{ }\left( c+a-b \right)\text{ }\left( a+b-c \right)-abc\] is

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