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Question
Evaluate: (8 – 6)!
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Solution
(8 – 6)!
= 2!
= 2 × 1
= 2
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Evaluate: 6!
Evaluate: 8! – 6!
Compute: `(12/6)!`
Compute: `(9!)/(3! 6!)`
Compute: `(6! - 4!)/(4!)`
Compute: `(8!)/(6! - 4!)`
Compute: `(8!)/((6 - 4)!)`
Write in terms of factorial:
3 × 6 × 9 × 12 × 15
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Evaluate: `("n"!)/("r"!("n" - "r"!)` For n = 12, r = 12
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Find n, if `1/("n"!) = 1/(4!) - 4/(5!)`
Find n, if (n + 1)! = 42 × (n – 1)!
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A student passes an examination if he/she secures a minimum in each of the 7 subjects. Find the number of ways a student can fail.
