अनंत श्रेणी ${\tan ^{ - 1}}\left( {\frac{2}{{1 - {1^2} + {1^4}}}} \right) + {\tan ^{ - 1}}\left( {\frac{4}{{1 - {2^2} + {2^4}}}} \right) + {\tan ^{ - 1}}\left( {\frac{6}{{1 - {3^2} + {3^4}}}} \right) + \dots$ का योग क्या है?

  • A
    $\frac{\pi}{4}$
  • B
    $\frac{\pi}{2}$
  • C
    $\frac{3\pi}{4}$
  • D
    कोई नहीं

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Similar Questions

अनंत श्रेणी $\frac{1}{3 \times 7} + \frac{1}{7 \times 11} + \frac{1}{11 \times 15} + \dots$ का योग क्या है?

Difficult
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$\frac{1}{2 \cdot 5} + \frac{1}{5 \cdot 8} + \frac{1}{8 \cdot 11} + \ldots + \frac{1}{(3n-1)(3n+2)}$ का मान ज्ञात कीजिए।

यदि $n = 1, 2, 3, \ldots$ के लिए $t_n = \frac{1}{4}(n+2)(n+3)$ है,तो $\frac{1}{t_1} + \frac{1}{t_2} + \ldots + \frac{1}{t_{2003}}$ का मान ज्ञात कीजिए।

श्रेणी $\frac{3}{1^2} + \frac{5}{1^2 + 2^2} + \frac{7}{1^2 + 2^2 + 3^2} + \dots$ के $n$ पदों का योग $.........$ है।

Difficult
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यदि $S_n = \frac{n(n + 1)(n + 2)}{6}$ है,तो $\sum_{n = 1}^\infty \frac{1}{t_n} = $

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