Let n and k be positive integers. Consider this equation: x1 C x2 C C xn D k: a. How
Chapter 0, Problem 19(choose chapter or problem)
Let n and k be positive integers. Consider this equation: x1 C x2 C C xn D k: a. How many solutions are there if the variables xi must be nonnegative integers? b. How many solutions are there if the variables xi must be positive integers? c. How many solutions are there if the variables xi may only take the values 0 or 1?
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