题目信息
What is the value of 
?
?
A:Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B:Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C:BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D:EACH statement ALONE is sufficient.
E:Statements (1) and (2) TOGETHER are NOT sufficient.
参考答案及共享解析
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已选答案：
正确答案：
B:Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
Algebra Simplifying algebraic expressions
Given that x =
and z = 
, it follows that 
, which will have different values for different nonzero values of x; NOT sufficient.
Given that 
and 
, it follows that 
; SUFFICIENT.
The correct answer is B;statement 2 alone is sufficient.
Given that x =
and z = , it follows that , which will have different values for different nonzero values of x; NOT sufficient.
Given that and , it follows that ; SUFFICIENT.The correct answer is B;statement 2 alone is sufficient.
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