GRE Question of the Day (December 15th)

Math

Each of the following equations has at least one solution EXCEPT A. \({–2^n = (–2)^{-n}}\) B. \({2^{-n} = (–2)^n}\) C. \({2^n = (–2)^{-n}}\) D. \({(–2)^n = –2^n}\) E. \({(–2)^{-n} = –2^{-n}}\)   Correct Answer - A - (click and drag your mouse to see the answer) Question Discussion & Explanation