2 years ago

Where n 5 and r = 2 N!/(n-r)

Mathematics

1 answer:

Karo-lina-s [1.5K]2 years ago

5 0

Answer:

$\frac{5 \times 4 \times 3 \times 2 \times 1}{5 - 2} = \frac{120}{3 } = 40$

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