Question Number 136872 by I want to learn more last updated on 27/Mar/21

Commented by mr W last updated on 27/Mar/21

$${n}=\mathrm{5} \\ $$
Commented by I want to learn more last updated on 27/Mar/21

$$\mathrm{Please}\:\mathrm{workings}\:\mathrm{sir} \\ $$
Commented by mr W last updated on 27/Mar/21

$${C}_{\mathrm{2}} ^{{n}} ={C}_{\mathrm{3}} ^{{n}} \\ $$$${n}=\mathrm{2}+\mathrm{3}=\mathrm{5} \\ $$
Commented by I want to learn more last updated on 27/Mar/21

$$\mathrm{Thanks}\:\mathrm{sir},\:\mathrm{i}\:\mathrm{appreciate}. \\ $$