If n is an integer and {x}^{n}-{x}^{-n}={0}, what is the value of x ?
(1) x is an integer.
(2) n \neq 0
-
AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
-
BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
-
CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
-
DEACH statement ALONE is sufficient.
-
EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: E