Question

How do you Evaluate 3P3?

Answer 1

$\underline{\textbf{Given:}}$

$\displaystyle\mathsf{3_{P_3}}$

$\underline{\textbf{To find:}}$

$\textsf{The value of}$

$\dsiplaystyle\mathsf{3P_3}$

$\underline{\textbf{Solution:}}$

$\underline{\textsf{Concept used:}}$

$\displaystyle\mathsf{n_{P_r}=n{\times}(n-1){\times}(n-2){\times}\;.\;.\;.\;.\;.\;r\;factors}$

$\mathsf{Consider,}$

$\displaystyle\mathsf{3_{P_3}}$

$\displaystyle\mathsf{=3{\times}2{\times}1}$

$\displaystyle\mathsf{=6}$

$\implies\boxed{\mathsf{3_{P_3}=6}}$

$\underline{\textbf{Find more:}}$

find the value of r if 11p3r=110​

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