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PERMUTATIONS AND COMBINATIONS — MATHS STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceMATHSPERMUTATIONS AND COMBINATIONS1 Mark
Question
Compute $\frac{{8!}}{{6! \times 2!}}$
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Answer

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

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