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[" 36.If "(x)/(xa+yb+zc)=(y)/(ya+zb+xc)=...

[" 36.If "(x)/(xa+yb+zc)=(y)/(ya+zb+xc)=(z)/(za+xb+yc)" and "x+y+z!=0" ,then prove that the value "],[" of each ratio is "(1)/(a+b+c)" ."]

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