Question:medium

The domain of the function $f(x) = {^{7-x}\text{P}_{x-1}$ is

Show Hint

In permutations/combinations, the upper index must be greater than or equal to the lower index, and both must be non-negative integers.
Updated On: May 12, 2026
  • $\mathbb{R}$
  • $x \in \mathbb{R} - \{1\}$
  • $\{1, 2, 3, 4\}$
  • $\{1, 2, 3, 4, 5, 6\}$
Show Solution

The Correct Option is C

Solution and Explanation

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