1.

What is the product of \[\left( \frac{{{x}^{a}}}{{{x}^{b}}} \right).\left( \frac{{{x}^{c}}}{{{x}^{a}}} \right).\left( \frac{{{x}^{b}}}{{{x}^{c}}} \right)?\]

A.  -1                          
B.         1                            
C.  0                            
D.         \[{{x}^{a+b+c}}\]
Answer» C.  0                            


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