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If a b c=1, then (1/(1+a+b^(-1))+1/(1+b+...

If `a b c=1,` then `(1/(1+a+b^(-1))+1/(1+b+c^(-1))+1/(1+c+a^(-1)))=?` a. `0` b. `a b` c. `1` d. `1/(ab)`

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RS AGGARWAL-SURDS AND INDICES-All Questions
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  7. If 4^(x+y)=1\ and \ 4^(x-y)=4, then the values of x and y respectively...

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  8. If 2^(2x-1)+4^x=2^(x-1/2)+2^(x+1/2), then x equals a. 1/2 b. 2/3 ...

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