If\[^{{{n}^{2}}-n}{{C}_{2}}{{=}^{{{n}^{2}}-n}}{{C}_{10}}\], then \[n=\ – McqOptions

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1.	If\[^{{{n}^{2}}-n}{{C}_{2}}{{=}^{{{n}^{2}}-n}}{{C}_{10}}\], then \[n=\]
A.	12
B.	4 only
C.	\[-3\]only
D.	4 or \[-3\]
Answer» E.

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