\[\frac{{{\left( {{\mathbf{a}}^{\mathbf{x+y}}} \right)}^{\mathbf{2}}}{{\left( {{\mathbf{a}}^{\mathbf{y+z}}} \right)}^{\mathbf{2}}}{{\left( {{\mathbf{a}}^{\mathbf{z+x+}}} \right)}^{\mathbf{2}}}}{\left( {{\mathbf{a}}^{\mathbf{4x}}}\mathbf{.}{{\mathbf{a}}^{\mathbf{4y}}}\mathbf{.}{{\mathbf{a}}^{\mathbf{4z}}} \right)}\mathbf{=?}\]

\[\frac{{{\left( {{\mathbf{a}}^{\mathbf{x+y}}} \right)}^{\mathbf{2}}}{

1.	\[\frac{{{\left( {{\mathbf{a}}^{\mathbf{x+y}}} \right)}^{\mathbf{2}}}{{\left( {{\mathbf{a}}^{\mathbf{y+z}}} \right)}^{\mathbf{2}}}{{\left( {{\mathbf{a}}^{\mathbf{z+x+}}} \right)}^{\mathbf{2}}}}{\left( {{\mathbf{a}}^{\mathbf{4x}}}\mathbf{.}{{\mathbf{a}}^{\mathbf{4y}}}\mathbf{.}{{\mathbf{a}}^{\mathbf{4z}}} \right)}\mathbf{=?}\]
A.	2a
B.	\[x+y+z\]
C.	1
D.	0
Answer» D. 0

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