题目内容
收藏
纠错
If a is a positive integer and x ≠ 0, which of the following expressions are equivalent to the expression $$x^{-3a}$$?
Indicate all such expressions.
-
A$$ -3x^{a}$$
-
B$$-ax^{3}$$
-
C$$\frac{1}{x^{3a}}$$
-
D$$\frac{a}{x^{3}}$$
-
E$$(\frac{1}{x^{a}})^{3}$$
-
F$$\frac{3}{ax}$$
-
G$$\frac{1}{(x^{a})^{3}}$$
C,E,G显示答案