Mathematics, 17.11.2020 01:00 jonjosef2012
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Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]
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2. The mean of four numbers is 42.5. If three of the numbers are 28, 56, and 12, what is the value o...
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