xiongxiong88 当前离线
中级会员
Q27:
If xy ≠ 0 and x2y2 – xy = 6, which of the following could be y in terms of x ?
I 1/2x
II - 2/x
III 3/x
A. I only
B. II only
C. I and II
D. I and III
LACE>E. IILACE> and III
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