If n2-n C2-n2-n C10- then n-A- 12B- 4 onlyC- 4 or -3D- -3 only

The correct option is C 4 or 3 ^n^2 nC_2 = ^n^2 nC_10⇒^n^2 nC_n^2 n 2 = ^n^2 nC_10 ⇒ n^2 n 2 = 10 or n =4, 3 ...

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Binomial Coefficients

If n2-n C2=n2...

Question

If $^{n^{2} - n} C_{2}$ = $^{n^{2} - n} C_{10}$ , then n =

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4 only

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-3 only

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4 or -3

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^{n^{2} - n} C_{2} =^{n^{2} - n} C_{10}

^{n^{2} - n} C_{2} =^{n^{2} - n} C_{10}

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