if X>1 and Y>1, is X<Y? (1) X^2/(XY+X)<1 Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient l Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient l BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. l EACH statement ALONE is sufficient l Statements (1) and (2) TOGETHER are NOT sufficient Answer :e 请教这题的答案是不是有误啊,B是充分的。XY/Y^2-Y<1----〉X+1<Y |