# A discrete mathematics problem by Khaled Barie

**Discrete Mathematics**Level pending

If

\(\Large \frac{^{n+1}P_{r+1}}{^{n+1}C_{r+1}} = 5040 \)

And

\(\Large \frac{^{n+1}C_{r}}{^{n+1}C_{r-1}} = \frac{2}{3} \)

Find \(n+r\)

If

\(\Large \frac{^{n+1}P_{r+1}}{^{n+1}C_{r+1}} = 5040 \)

And

\(\Large \frac{^{n+1}C_{r}}{^{n+1}C_{r-1}} = \frac{2}{3} \)

Find \(n+r\)

×

Problem Loading...

Note Loading...

Set Loading...