Evaluate
$\left( \begin{array} { l }
7 \
7
\end{array} \right)$
A) 1
B) 7
C) 49
D) 14

Name: Evaluate $\left( \begin{array} { l } 7 \\ 7 \end{array} \right)$ A) 1 B) 7 C) 49 D) 14
Brand: Quizplus
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Question

Evaluate
$\left( \begin{array} { l } 
7 \
7
\end{array} \right)$
A) 1
B) 7
C) 49
D) 14

Quizplus · Accepted Answer

The notation $\left( \begin{array} { l } 7 \ 7 \end{array} \right)$ represents a binomial coefficient, which is calculated as $\frac{n!}{k!(n-k)!}$. When $n = k$, the value is always 1, because $n!/(n!(n-n)!)$ simplifies to $n!/n! = 1$.

Evaluate (77)\left( \begin{array} { l } 7 \\7\end{array} \right)(77​) A) 1 B) 7 C) 49 D) 14

Evaluate $\left( \begin{array} { l } 7 \\7\end{array} \right)$ A) 1
B) 7
C) 49
D) 14