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Compute: (I) 30 ! 28 ! - Mathematics

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प्रश्न

Compute: 

(i)\[\frac{30!}{28!}\]

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उत्तर

\[ \frac{30!}{28!} = \frac{30 \times 29 \times 28!}{28!} \left[ \because n! = n(n - 1)! \right]\]
\[ = 30 \times 29\]
\[ = 870\]

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अध्याय 16: Permutations - Exercise 16.1 [पृष्ठ ४]

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आरडी शर्मा Mathematics [English] Class 11
अध्याय 16 Permutations
Exercise 16.1 | Q 1.1 | पृष्ठ ४

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