Choose the expression that is equal to c(17, 6). c(6, 17) c(11, 6) c(17, 11)

C(17, 11) is the answer======the initial expression  c(17, 6) says that you have 17 items and you are choosing 6 of them: how many ways are there to choose 6 of them? when you choose 6 items, you leave 11 items behind. so it's the same as asking: how many ways are there to not choose 11 items? c(17, 11) is equivalent.alternatively, here's an algebraic proof: since      then    and    it is equivalent to c(17,6) because multiplication order does not matter.

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