1.

Evaluate the following algebraic expression for \[\mathbf{x}\text{ }=\text{ }\mathbf{2},\text{ }\mathbf{y}\text{ }=\text{ }-\text{ }\mathbf{5},\text{ }\mathbf{z}\text{ }=\text{ }-\text{ }\mathbf{4},\text{ }\mathbf{a}\text{ }=\text{ }-\text{ }\mathbf{2},\text{ }\mathbf{b}=-\mathbf{1}:\] \[\mathbf{13}\text{ }+\text{ }\mathbf{5}{{\mathbf{z}}^{\mathbf{3}}}\mathbf{xy}\text{ }+\text{ }\mathbf{3x}{{\mathbf{y}}^{\mathbf{2}}}+\text{ }{{\mathbf{a}}^{\mathbf{2}}}\mathbf{b}\text{ }-\text{ }\mathbf{8xyz}\]

A. 3039
B.  2058
C.  4037      
D.  5251
E.  None of these
Answer» B.  2058


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