Really squeeze out my brain juice for this PnC tutorial but i still dont rlly kn

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junior college 1 | H2 Maths
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junior college 1 H2 Maths

Really squeeze out my brain juice for this PnC tutorial but i still dont rlly know how to tackle the problems... i need more help ! Thanks!!

12ii (16800)
12iii (8820)
13iii (6!=720) whyyyy
13iv (5760)

Date Posted: 7 years ago

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Date Posted: 7 years ago

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Xiaoyang

7 years ago

Thanks !!

Jiayang

7 years ago

For 13(iv) I forgot to write +720 from part iii. This is due to double counting in 7! for the case where both A and B are adjacent

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