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7.2 definite integral — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMaths7.2 definite integral1 Mark
MCQ
$\mathop {\lim }\limits_{n \to \infty } \,\sum\limits_{r = 0}^n {\frac{n}{{{{\left( {2r + n} \right)}^2}}}} $ is equal to
  • A
    $1$
  • B
    $-1$
  • C
    $2$
  • ✓
    $\frac {1}{3}$
✓

Answer

Correct option: D.
$\frac {1}{3}$
d
$\int\limits_0^1 {\frac{{dx}}{{{{\left( {2x + 1} \right)}^2}}}} $

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