यदि $U_{n} = \frac{1}{n} - \frac{1}{n+1}$ है,तो $U_{1} + U_{2} + U_{3} + U_{4} + U_{5}$ का मान क्या है?

  • A
    $\frac{1}{4}$
  • B
    $\frac{5}{6}$
  • C
    $\frac{1}{6}$
  • D
    $\frac{1}{3}$

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