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

`1/(1+x^(b-a)+x^(c-a))+1/(1+x^(a-b)+x^(c-b))+1/(1+x^(b-c)+x^(a-c))=?`

A

`-1`

B

1

C

0

D

2

Text Solution

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