exercise:46802dac25: Difference between revisions
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(Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> Find integers <math>n</math> and <math>r</math> such that the following equation is true: <math display="block"> {13 \choose 5} + 2{13 \choose 6} + {13 \choose 7} = {n \choose r}\ . </math>") |
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Find integers <math>n</math> and <math>r</math> such that the following equation is true: | |||
true: | |||
<math display="block"> | <math display="block"> | ||
{13 \choose 5} + 2{13 \choose 6} + {13 \choose 7} = {n \choose r}\ . | {13 \choose 5} + 2{13 \choose 6} + {13 \choose 7} = {n \choose r}\ . | ||
</math> | </math> | ||
Latest revision as of 23:02, 12 June 2024
Find integers [math]n[/math] and [math]r[/math] such that the following equation is true:
[[math]]
{13 \choose 5} + 2{13 \choose 6} + {13 \choose 7} = {n \choose r}\ .
[[/math]]