If $(x+y)^3-(x-y)^3-6 y\left(x^2-y^2\right)=k y^2$, then $k=$
- A$1$
- B$2$
- C$4$
- ✓$8$
Answer: D.
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M.C.Q
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Answer: D.
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View full solution →Answer: A.
View full solution →Answer: D.
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