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If for all numbers \(P,\) where \(P\ne 1,\) the function \(@\) is defined by \(P@=\dfrac{P}{P-1},\) what is the value of \((P@)@?\)
A. \(\dfrac{P}{P-1}\)
B. \(\dfrac{1}{P}\)
C. \(P\)
D. \(2-P\)
E. \(P-1\)
Answer: C
Source: GMAT Club Tests
A. \(\dfrac{P}{P-1}\)
B. \(\dfrac{1}{P}\)
C. \(P\)
D. \(2-P\)
E. \(P-1\)
Answer: C
Source: GMAT Club Tests
