Question #79263
Show that
1 + 1/√2+. . . +1/√n ≥ √{2(n − 1)} for n∈ N, n> 1
Solve using inequalities
1 + 1/√2+. . . +1/√n ≥ √{2(n − 1)} for n∈ N, n> 1
Solve using inequalities
Expert's answer
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#339914 on Dec 2023
#339914 on Dec 2023
Comments
Dear Amisha Badaseth. You used the symbol {} in the question description, which sometimes means the function of fractional part, therefore this case in the solution is possible. See https://mathworld.wolfram.com/FractionalPart.html for more details.
provided answer? How 2n-1 becomes zero? It is not said anywhere in the question. So 2n-1=2(n-1)-[2{n-1}] is not possible