1.

The simplified expression of the expression    \[\mathbf{13}{{\mathbf{x}}^{\mathbf{3}}}-\text{ }\mathbf{12xy}{{\mathbf{z}}^{\mathbf{2}}}+\text{ }\mathbf{10}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{yz}\text{ }+\text{ }\mathbf{14xy}{{\mathbf{z}}^{\mathbf{2}}}+\text{ }\mathbf{13x}{{\mathbf{y}}^{\mathbf{2}}}\mathbf{z}\] \[+\text{ }{{\mathbf{y}}^{\mathbf{3}}}\] is __________.

A.      \[13{{x}^{3}}+2xy{{z}^{2}}+23x{{y}^{2}}z+y3~\]
B.  \[13{{x}^{3}}+2xy{{z}^{2}}+10{{x}^{2}}yz+13x{{y}^{2}}z+{{y}^{3~}}\]
C.  \[13{{x}^{3}}-2xy{{z}^{2}}+10{{x}^{2}}yz+13x{{y}^{2}}z+{{y}^{3}}~\]
D.  \[13{{x}^{3}}-2xy{{z}^{2}}+23x{{y}^{2}}+{{y}^{3}}\]
E.  None of these
Answer» C.  \[13{{x}^{3}}-2xy{{z}^{2}}+10{{x}^{2}}yz+13x{{y}^{2}}z+{{y}^{3}}~\]


Discussion

No Comment Found

Related MCQs