题目信息
For all positive numbers x, Δx is defined as the cube root of x, and ∇x is defined as the square root of x. If$$ ∇(Δk) = m^{2}$$ , then k =
A:$$m^{\frac{12}{5}}$$
B:$$m^{6}$$
C:$$m^{12}$$
D:$$m^{36}$$
E:$$m^{64}$$
参考答案及共享解析

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已选答案:
正确答案:
C:$$m^{12}$$
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题目来源
Magoosh