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# What is the value of (11! - 10!)/9!

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Re: What is the value of (11! - 10!)/9! [#permalink]
(11!-10!)/9!= (11*10!-10!)/9!
11! Can be written as 11*10!
(10!(11-1))/9!=(10*10!)/9!
10!=10*9!
(10*10*9!)/9!
9! Will be canceled in the numerator & denominator

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Re: What is the value of (11! - 10!)/9! [#permalink]
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Re: What is the value of (11! - 10!)/9! [#permalink]
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