What is the value of non-zero integer R ? (1) R^R = R (2) (1/R)^R = R

Question

What is the value of non-zero integer R ?

(1)  R^R = R

(2)  (\frac{1}{R})^R = R

GMATinsight · Answer

Question: R = ?

Statement 1 : R^R = R

i.e.R may be +1 or -1 hence
 NOT SUFFICIENT

Statement 2 : (\frac{1}{R})^R = R

i.e.R may be +1 or -1 hence
 NOT SUFFICIENT

Combining the statements

i.e.R may be +1 or -1 hence
 NOT SUFFICIENT

Answer: Option E

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What is the value of non-zero integer R ? (1) R^R = R (2) (1/R)^R = R

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