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Answer:
12
Step-by-step explanation:
⁴P₂ =
[tex] \frac{4!}{(4 - 2)!} [/tex]
Since n! = n(n-1)(n-2) ... 2 × 1
[tex] = \frac{4 ! }{2 ! } [/tex]
[tex] = \frac{4 \times 3 \times 2 \times 1}{2 \times 1} [/tex]
= 4 × 3
= 12