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If N be the numbers of natural numbers less than 2009 which can be expressed in the form of [x[x]] for some positive real x then sum of the digits of N.([.] denotes greatest integer function).

PRAMAY , 10 Years ago
Grade 11
anser 1 Answers
Saurabh Koranglekar

Last Activity: 4 Years ago

Dear student

The question is not clear

[x[x]] is it[x*[x]]

Kindly clarify

regards

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