JEE Math Practice Question
If $${{{}^{n + 2}C{}_6} \over {{}^{n - 2}{P_2}}}$$ = 11, then n satisfies the equation :
- A.n2 + 3n − 108 = 0
- B.n2 + 5n − 84 = 0
- C.n2 + 2n − 80 = 0
- D.n2 + n − 110 = 0
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