$\cot \left(\sum\limits_{n=1}^{50} \tan ^{-1}\left(\frac{1}{1+n+n^{2}}\right)\right)$ का मान ज्ञात कीजिए।

  • A
    $\frac{26}{25}$
  • B
    $\frac{25}{26}$
  • C
    $\frac{50}{51}$
  • D
    $\frac{52}{51}$

Explore More

Similar Questions

मान ज्ञात कीजिए: $\cot ^{ - 1}\left(\frac{xy + 1}{x - y}\right) + \cot ^{ - 1}\left(\frac{yz + 1}{y - z}\right) + \cot ^{ - 1}\left(\frac{zx + 1}{z - x}\right)$

यदि $2\tan^{-1}(\cos x) = \tan^{-1}(2\csc x)$ है,तो $x =$

मान लीजिए $\tan ^{-1} y = \tan ^{-1} x + \tan ^{-1} \left( \frac{2x}{1 - x^2} \right)$,जहाँ $|x| < \frac{1}{\sqrt{3}}$,तो $y$ का एक मान क्या है?

मान ज्ञात कीजिए: $\operatorname{cosec}^{-1}\left[\left(\frac{\tan ^2\left(\frac{\alpha-\pi}{4}\right)-1}{\tan ^2\left(\frac{\alpha-\pi}{4}\right)+1}+\cos \frac{\alpha}{2} \cdot \cot 5 \alpha\right) \sec \frac{11 \alpha}{2}\right]$

यदि $\alpha$ और $\beta$ सभी $x \in [-1, 1]$ के लिए $f(x)=(\sin ^{-1} x)^2+(\cos ^{-1} x)^2$ के न्यूनतम और अधिकतम मान हैं,तो $8(\alpha+\beta)=$

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo