In this video, we count how many non-negative integer solutions are there for the equation x+y+z=10. In general, if x+y+z=n, how many such solutions will be there? That also explained. Also explained in general, the number of non negative integer solutions of the equation x_1 + x_2 +... + x_r = n.
A generalized idea of how to attack this problem is mentioned.
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Негізгі бет Number of Non-Negative Integer solutions of the equation x + y + z = 10 | General Case Explained
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