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प्रश्न
Evaluate each of the following:
P(6, 4)
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उत्तर
P(6,4)
It can also be written as 6P4 .
\[{}^6 P_4 = \frac{6!}{2!}\]
\[ = \frac{6(5)(4)(3)(2!)}{2!}\]
\[ = 6 \times 5 \times 4 \times 3 \]
\[ = 360\]
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