Question: 4. Consider the following recursive algorithm: ALGORITHM Q (n) // Input: A positive integer n if n =1 return 1 else return Q(n-1) + 2n

4. Consider the following recursive algorithm:

ALGORITHM Q (n)

// Input: A positive integer n

if n =1

return 1

else return Q(n-1) + 2n -1

a) Set up a recurrence relation for this functions values and solve it to determine what this algorithm computes.

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