math

Classify each statement as sometimes, always, or never true.
A. 2^(2/3)*4^(4/3)=8*2^(1/3)
B. If x>0, then (squareroot x*squareroot 2)^3 =x^(3/2) 2^(3/2)
C. If x>0, then (squareroot x+ squareroot 2)^3 =x^(3/2) 2^(3/2)
D. The only solution to x^(2/3)= 4 is x=8

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