MathematicsMedium110×since 2002Q3809The number of functions f:{1,2,3,4}→{a∈Z∣a∣≤8}f:\{ 1,2,3,4\} \to \{ a \in Z|a| \le 8\}f:{1,2,3,4}→{a∈Z∣a∣≤8} satisfying f(n)+1nf(n+1)=1,∀n∈{1,2,3}f(n) + {1 \over n}f(n + 1) = 1,\forall n \in \{ 1,2,3\}f(n)+n1f(n+1)=1,∀n∈{1,2,3} isA2B3C1D4Check answerSkip