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Let [x] represent the greatest integer l...

Let [x] represent the greatest integer less than or equal to `x` If [`sqrt(n^2+lambda)]=[sqrt(n^2+1)]+2` , where `lambda,n in N ,` then `lambda` can assume (a) `2n+4` different values (b)` 2n+5` different values (c)`2n+3` different values (d)`2n+6` different values

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