1/(1+a+b^-1)+1/(1+b+c^-1)+1/(1+c+a^-1)

1.	1/(1+a+b^-1)+1/(1+b+c^-1)+1/(1+c+a^-1)
Answer» Question: If abc =1,then show that 1/(1+a+ b^(-1) )+ 1/(1+b+ c^(-1) )+ 1/(1+c+ a^(-1) ) = 1Answer:\xa0

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