પદાવલિ $\frac{2^2+1}{2^2-1}+\frac{3^2+1}{3^2-1}+\frac{4^2+1}{4^2-1}+\ldots+\frac{(2011)^2+1}{(2011)^2-1}$ કયા અંતરાલમાં આવેલી છે?

  • A
    $\left(2010, 2010 \frac{1}{2}\right)$
  • B
    $\left(2011-\frac{1}{2011}, 2011-\frac{1}{2012}\right)$
  • C
    $\left(2011, 2011 \frac{1}{2}\right)$
  • D
    $\left(2012, 2012 \frac{1}{2}\right)$

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Similar Questions

શ્રેણી $\frac{3}{1^{2} \times 2^{2}}+\frac{5}{2^{2} \times 3^{2}}+\frac{7}{3^{2} \times 4^{2}}+\ldots$ ના $10$ પદોનો સરવાળો કેટલો થાય?

$\frac{1}{3 \cdot 5} + \frac{1}{5 \cdot 7} + \frac{1}{7 \cdot 9} + \ldots$ $24$ પદો સુધી $=$

જો શ્રેણી $\frac{1}{1 \cdot(1+d)} + \frac{1}{(1+d)(1+2d)} + \dots + \frac{1}{(1+9d)(1+10d)}$ નો સરવાળો $5$ હોય,તો $50d$ ની કિંમત શોધો:

અનંત શ્રેણી $\cot ^{-1}\left(\frac{7}{4}\right)+\cot ^{-1}\left(\frac{19}{4}\right)+\cot ^{-1}\left(\frac{39}{4}\right)+\cot ^{-1}\left(\frac{67}{4}\right)+\ldots \ldots$ નો સરવાળો :-

$\frac{{\frac{1}{2} \cdot \frac{2}{2}}}{{{1^3}}} + \frac{{\frac{2}{2} \cdot \frac{3}{2}}}{{{1^3} + {2^3}}} + \frac{{\frac{3}{2} \cdot \frac{4}{2}}}{{{1^3} + {2^3} + {3^3}}} + \dots + n \text{ પદો} =$

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