જો $y = \tan^{-1}\left(\frac{1}{x^2 + x + 1}\right) + \tan^{-1}\left(\frac{1}{x^2 + 3x + 3}\right) + \tan^{-1}\left(\frac{1}{x^2 + 5x + 7}\right) + \dots$ $n$ પદો સુધી હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

  • A
    $\frac{1}{1 + (x + n)^2} - \frac{1}{1 + x^2}$
  • B
    $\frac{1}{1 + (x + n)^2} + \frac{1}{1 + x^2}$
  • C
    $\frac{1}{1 + (x + n)^2} - \frac{1}{1 + (x + n - 1)^2}$
  • D
    $\frac{1}{1 + (x + n)^2} + \frac{1}{1 + (x + n - 1)^2}$

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Similar Questions

$\frac{d}{dx}(\sin^{-1}(3x - 4x^3)) = $

$x$ ની સાપેક્ષમાં $\tan^{-1}\left(\frac{\sqrt{1+x^2}-1}{x}\right)$ નું વિકલન શોધો:

કિંમત શોધો: ${\tan ^{ - 1}}x + {\cot ^{ - 1}}(x + 1)$

$\sin \left( {2{{\tan }^{ - 1}}\left( {\frac{1}{3}} \right)} \right) + \cos ({\tan ^{ - 1}}(2\sqrt 2 ))$ ની કિંમત શોધો.

જો $\sin ^{-1} x+\sin ^{-1} y=\frac{\pi}{3}$ અને $\cot ^{-1}\left(\frac{1}{x}\right)-\cot ^{-1}\left(\frac{1}{y}\right)=0$ હોય,તો $2 x^2+y^2-x y=$

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