Sum of squared integers Let T(n) = 12 + 22 + ··· + n2, where n is a positive integer. It can be shown that T(n) = n(n + 1) (2n + 1)/6.
a. Make a table of T(n), for n = 1,2, ···, 10.
b. How would you describe the domain of this function?
c. What is the least value of n for which T(n) > 1000?
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