Question: 1) Find the following sums: a) E (j - 5j?) for j = 1, 2,., 25 . Notice that the index variable is j in

1) Find the following sums: a) E (j - 5j?) for j = 1, 2,., 25 . Notice that the index variable is j in this problem. Give the exact simplified answer b) _ (-5i' + i - 4) for i = 1, 2, ., 50. Notice that the index variable is i in this problem. Give the exact simplified

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