Compute $\frac{8!}{6! \times 2!} .$

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Solution

$\frac{8!}{6! \times 2!} = \frac{8 \times 7 \times 6!}{6! \times (2 \times 1)} = \frac{8 \times 7}{2} = 28.$

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Similar questions

Q. Compute

\frac{8!}{6! \times 2!}

Q. If

A = ⎡ ⎢ ⎣ \begin{matrix} 2 & 0 & 4 6 & 2 & 8 2 & 4 & 6 \end{matrix} ⎤ ⎥ ⎦

and

B = ⎡ ⎢ ⎣ \begin{matrix} 8 & 4 & - 2 0 & - 2 & 0 2 & 2 & 6 \end{matrix} ⎤ ⎥ ⎦

.Compute

3 A + 2 B

A = ⎡ ⎢ ⎣ \begin{matrix} 2 & 0 & 4 6 & 2 & 8 2 & 4 & 6 \end{matrix} ⎤ ⎥ ⎦

and

B = ⎡ ⎢ ⎣ \begin{matrix} 8 & 4 & - 2 0 & - 2 & 0 2 & 2 & 6 \end{matrix} ⎤ ⎥ ⎦

Compute

A - B

A = ⎡ ⎢ ⎣ \begin{matrix} 2 & 0 & 4 6 & 2 & 8 2 & 4 & 6 \end{matrix} ⎤ ⎥ ⎦

and

B = ⎡ ⎢ ⎣ \begin{matrix} 8 & 4 & - 2 0 & - 2 & 0 2 & 2 & 6 \end{matrix} ⎤ ⎥ ⎦

Compute

A + B

Compute the following:
$(i i i) ⎡ ⎢ ⎣ \begin{matrix} - 1 & 4 & - 6 8 & 5 & 16 2 & 8 & 5 \end{matrix} ⎤ ⎥ ⎦ + ⎡ ⎢ ⎣ \begin{matrix} 12 & 7 & 6 8 & 0 & 5 3 & 2 & 4 \end{matrix} ⎤ ⎥ ⎦$

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Compute 8 !6 !×2 !.

8!6!×2!=8×7×6!6!×(2×1)=8×72=28.

Compute $\frac{8!}{6! \times 2!} .$

$\frac{8!}{6! \times 2!} = \frac{8 \times 7 \times 6!}{6! \times (2 \times 1)} = \frac{8 \times 7}{2} = 28.$