Question: [5] Consider the following code fragment. for i=1 to n do for ji to 2*i do output ''foobar> Let T(n) denote the number of

[5] Consider the following code fragment. for i=1 to n do for ji to 2*i do output ''foobar"> Let T(n) denote the number of times 'foobar' is printed as a function of n. a. Express T(n) as a summation (actually two nested summations). b. Simplify the summation. Show your work.

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