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Question Number 13501 by tawa tawa last updated on 20/May/17

$$\mathrm{Find}\mathrm{x}$$$${10}_{{\mathrm{C}}_{\mathrm{x}}}=5_{{\mathrm{C}}_2}$$

Answered by mrW1 last updated on 20/May/17

$$\frac{10!}{x!(10-x)!}=\frac{5\times 4}{2\times 1}=10$$$$x!(10-x)!=\frac{10!}{10}=9!$$$$\Rightarrow x=9or1$$

Commented by 433 last updated on 20/May/17

$$\mathrm{\&}x=1$$

Commented by tawa tawa last updated on 20/May/17

$$\mathrm{God}\mathrm{bless}\mathrm{you}\mathrm{sir}.$$

Commented by jabbar kutaib last updated on 20/May/17

$$\mathcal{T}hankyoumr.$$

Commented by chux last updated on 20/May/17

$$\mathrm{\&}0$$

Commented by chux last updated on 20/May/17

$$\mathrm{but}\mathrm{can}\mathrm{you}\mathrm{further}\mathrm{break}\mathrm{this}$$$$\mathrm{down}\mathrm{to}\mathrm{its}\mathrm{answers}.$$

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