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@Apu
Note for OP
+solved @user to close the thread when your doubt is solved. Mention the user who helped you solve the doubt. This will be added to their stats.This is from isi uga pyq... please tell me if any other concept is required to solve it which is not in jee advanced syllabus...
Nope
Just telescoping
@Apu any inputs on this?
Can you imagine the summation as sum of areas of rectangles?
consider rectangles of height 1/sqrt(n) and width 1
which function's graph do these rectangles correlate to?
f(x) = 1/sqrt(x)
can you now find the bounds for the area using integration ( which is just area under 1/sqrt(x)
@Sukritya
+solved @Akshat
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