fficient of akbN-k in the expansion of (a + b)N and, for t symbol is called a binomial coefficient. It is not hard to integer k in the interval [0, N], (N' N! k k!(N – k)! ext, subsets are sometimes called combinations, altho use that term much. (a) Evaluate the binomial coeffici (4) and (4 (h) How many different subsets of size 2

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A: As we know that a+bn=C0nan+C1nan-1b+…+Cnnbn and nCr=n!n-r!r!.

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A: Concept:

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A: By using the binomial thorem to prove that, 3n=Cn, 0+2Cn, 1+22Cn, 2+...+2nCn, n

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A: Explanation of the answer is as follows

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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Q: The binomial expansion of (4 + 3y³)+

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