Editor
Editor
 Sep 18, 2022
0
$\begin{bmatrix}3 \\3\end{bmatrix}+\begin{bmatrix}4 \\3\end{bmatrix}+\begin{bmatrix}5 \\3\end{bmatrix}+......+\begin{bmatrix}n+2\\3 \end{bmatrix}$=
Difficulty: Easy
A: 
$\begin{bmatrix}n+3\\4 \end{bmatrix}$
B: 
$\begin{bmatrix}n+2\\5 \end{bmatrix}$
C: 
$\begin{bmatrix}n+1\\4 \end{bmatrix}$
D: 
$\begin{bmatrix}n+4\\3 \end{bmatrix}$
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NETNUST Entry TestMathematicsMathematical Induction and Binomial Theorem