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A \(n=5\)            

B \(n\le 5\)                                  

C \(n\ge 5\)                                 

D \(n=0\)

A \(\dfrac{1}{{625}}\)

B \(\dfrac{1}{{125}}\)

C \(\dfrac{1}{{130}}\)

D \(\dfrac{1}{{135}}\)

A \( - \frac{3}{4}a{x^2} - 3x + 1\)

B \( - \frac{3}{4}a{x^2} - 2x + 2\)

C \( - \frac{3}{4}a{x^2} - 3x + 2\)

D \( - \frac{3}{4}a{x^2} - 2x + 1\)

A \(4x{z^4} + 2xy{z^2} - 3z\)

B \(4x{z^4} + 2xy{z^2} - 2z\)

C \(4x{z^4} + 2xy{z^2} - 1z\)

D \(4x{z^4} + 2xy{z^2} - 5z\)

A \(\left[ \begin{array}{l}n = 5\\n = 4\end{array} \right.\)

B \(\left[ \begin{array}{l}n = 3\\n = 4\end{array} \right.\)

C \(\left[ \begin{array}{l}n = 3\\n = 8\end{array} \right.\)

D \(\left[ \begin{array}{l}n = 6\\n = 4\end{array} \right.\)