The solution set of $^{10}{C_{x - 1}} > 2\;.{\;^{10}}{C_x}$ is
The solution set of $^{10}{C_{x - 1}} > 2\;.{\;^{10}}{C_x}$ is
- A
$ \left \{ 1,2,3, \right \}$
- B
$\left \{4,5,6,\right \}$
- C
$\left \{8,9,10,\right \}$
- D
$\left \{ 9,10,11,\right \}$
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