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If Deltak=|(1,n,n),(2(k-1),n(n+1),n(n-1)...

If `Delta_k=|(1,n,n),(2(k-1),n(n+1),n(n-1)),(4k(k^2-1),n(n+1)(n^2-4),n(n+2)(n^2-1))|,` then `f(n)=sum_(k=1)^n Delta_k+n` is a polynomial of degree (i)`0` (ii)`1` (iii)`6` (iv)`7`

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