1.

if (2)/(5)(y)/(z)+(2)/(5)(z)/(x)+(2)/(5)(x)/(y),(2)/(5)(x)/(y)+(2)/(5) (y)/(z) are the sides of a triangle then its area is

Answer»

`(4)/(25) SQRT((x)/(y)+(y)/(z)+(z)/(x))`
xyz
1
`x+y+z`

Answer :A


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