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Language/Type: C# recursion return

Write a recursive method named SumOfSquares that accepts an integer parameter n and returns the sum of squares from 1 to n. For example, the call of SumOfSquares(3) should return 12 + 22 + 32 = 14. If your method is passed 0, return 0. If passed a negative number, your method should throw an int as an exception.

Constraints: Your method must be recursive. Do not use loops or data structures.

Method: Write a C# method as described, not a complete program or class.

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