Pls assist for question 5, thanks !

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junior college 2 | H2 Maths
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junior college 2 H2 Maths Singapore

Pls assist for question 5, thanks !

Date Posted: 3 years ago

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Date Posted: 3 years ago

Marc

3 years ago

Hi appreciate the reply, but i still dont understand for part i) how u derive the n-k on the numerator

Alson

3 years ago

Hi, when u have [n(n-1)...(n-k+1)(n-k)] / [n(n-1)...(n-k+1)], you will realise that everything cancels out, leaving (n-k) on the numerator

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Date Posted: 3 years ago