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If [ ] denotes greatest integer function what is the value of [summation running from k=1 to k=80 1/(k^1/2)]

If [ ] denotes greatest integer function what is the value of 


[summation running from k=1 to k=80 1/(k^1/2)]

Grade:12

1 Answers

AKASH GOYAL AskiitiansExpert-IITD
420 Points
13 years ago

Dear Saurabh

Queston is not clear. I am assuming it to be

[1/√k]

1/√k will be fraction and less than 1 always except for k=1

at k=1 it is 1

hence summation is 1

 

All the best.                                                           

AKASH GOYAL

AskiitiansExpert-IIT Delhi

 

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