Programming with Clojure
Using Clojure:
Define a function, named bico, that returns, from the ith expansion of the quantity (x + y), the jth coefficient.
For example, (bico 4 2) should return 6 since (x + y)4 is equal to x4 + 4x3 y + 6x2 y2 + 4xy3 + y4 . Note that j ranges from 0 to i.
Your function should be recursive and implement a recursive process.
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