1.

What is the difference obtained when \[{{x}^{3}}-x{{y}^{2}}+5{{x}^{2}}y-{{y}^{3}}\]is subtracted from \[-{{y}^{3}}-6{{x}^{2}}y-x{{y}^{2}}+{{x}^{3}}\]?

A.  \[2{{y}^{3}}-8{{x}^{2}}y+3x{{y}^{2}}-2{{x}^{3}}\]
B.  \[2{{x}^{3}}-2x{{y}^{2}}-{{x}^{2}}y-2{{y}^{3}}\]
C.  \[-11{{x}^{2}}y\]
D.  \[11{{x}^{2}}y\]
Answer» D.  \[11{{x}^{2}}y\]


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