[計量] CAT 2008-8
1. (ab)^6 = b^(-4) * c^(-8)
Compare A and B
A: (ab)^9
B:(b^(-2)*c^(-4))^3
我覺得答案是C...因為右邊可以化為(ab)^9
可是解答給 (D)
2. x等於0
Compare A and B
A: (x/2)^2
B: x^2 /2
我覺得答案是 A<B
但是解答卻是(D)
會不會解答有錯呢?
還是要考慮虛數? (GRE會考到虛數嗎?)
麻煩大家了! Tks!!
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