MathematicsMedium179×since 2002Q4234The value of limn→∞[r]+[2r]+...+[nr]n2\mathop {\lim }\limits_{n \to \infty } {{[r] + [2r] + ... + [nr]} \over {{n^2}}}n→∞limn2[r]+[2r]+...+[nr], where r is a non-zero real number and [r] denotes the greatest integer less than or equal to r, is equal to :ArBr2{r \over 2}2rC0D2rCheck answerSkip