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This question is about the system described below, where ai are real numbers (a) Complete the table below by expanding the summation for several values of n. Note the range of i varies with n yln] 4 (b) Does this system have memory? Explain your answer in words. (c) Is this system linear? Hint: you may find it easier to examine your equation for n 5 rather than the format given in the problem statement.

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