Show that the summation from k=1 to n of 1/sqrt(k) >= sqrt(n)
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Originally Posted by WartonMorton Show that the summation from k=1 to n of 1/sqrt(k) >= sqrt(n) Hint - Use induction. It is not difficult.
Originally Posted by aman_cc Hint - Use induction. It is not difficult. Otherwise also $\displaystyle \sum_1^n 1/\sqrt i \geq \sum_1^n 1/\sqrt n $ and the result follows directly
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