Statistic, can u help i need to be first to answer this question for extra credit.
I'll up vote immediately tnx in advance
Statistic Can U Help I Need To Be First To Answer This Question For Extra Credit I Ll Up Vote Immediately Tnx In Advan 1 (13 KiB) Viewed 107 times
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Question 3 (a) Use Pascal's Formula to show that C(n,k)-2C(n-3, -1)=C(n-2,k)+C(n-2,6-2)+2C(n-3,4-2) for any integer k and n where k22 and nāk+2. Here, Cin,k) denotes the number of combinations of n items taken k at a time. [3 marks ]
(b) Find the recurrence relation that describes the following sequences: (1) 3,7, 15, 31, 63, 127, ... (ii) 0.1, 1, 2, 3, 5, 8, 13,..... [ 4 marks] (c) Find the term in the expansion of (-2a +b+ 3c-5d) that has the form Ka'cd? where K is a natural number. [3 marks ]
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