Mathematics · 2023
JEE Main · 25 January 2023, Shift 2 · Q62
The number of functions f:{1,2,3,4} →{a ∈: Z |a| ≤ 8} satisfying f(n)+1/n f( n +1)=1, ∀ n ∈{1,2,3} is
The number of functions
$\displaystyle f:\{1,2,3,4\} \rightarrow\{a \in: \mathbb{Z}|a| \leq 8\}$
satisfying $\displaystyle f(n)+\frac{1}{n} f(\mathrm{n}+1)=1, \forall \mathrm{n} \in\{1,2,3\}$ is
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 2$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.