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estudier
Group Title
f(n) = integer nearest sqrt(n)
1/f(1) + 1/f(2) + ...........+1/f(9999) +1/f(10000) = ?
 2 years ago
 2 years ago
estudier Group Title
f(n) = integer nearest sqrt(n) 1/f(1) + 1/f(2) + ...........+1/f(9999) +1/f(10000) = ?
 2 years ago
 2 years ago

This Question is Closed

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.0
dw:1350239055071:dw
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
That looks promising...
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
So when is f(n) = m?
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
Get rid of them nasty radicals as well.....
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
f(n) would range from 1 to 100
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
how to get rid of radical
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
f(n) = a when (a1/2)^2 < n < (a+1/2)^2 (I'm using a)
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
Think I will leave this one up overnight in case people want to think more about it....
 2 years ago

mukushla Group TitleBest ResponseYou've already chosen the best response.0
and im watching :)
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
does this involve integrals ?
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
Certainly not! (I'm not that fond of calculus)
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
2a is the window for n until a increments
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
is this right direction
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
Yes! Now u have the pattern, away u go....:)
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
so f(n) = a a = 1 ; 2.1 times a = 2 ; 2.2 times .... a = 99; 2.99 times a = 100; 2.100/2 times
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
Then the sum is ?
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
The last bit is just some counting (don't overcount)
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
lol its easy
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
2a.1/a a would cancel out ! 99*2 + 1 = 199
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
Yes, well done...
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
nice exercise thnk you :)
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.1
Since it has been solved I will close it after all....
 2 years ago
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