જો $x, y, z$ એ $A.P.$ માં હોય અને $\tan^{-1}x, \tan^{-1}y, \tan^{-1}z$ પણ $A.P.$ માં હોય,તો

  • A
    $x = y = z$
  • B
    $x = y = -z$
  • C
    $x = 1, y = 2, z = 3$
  • D
    $x = 2, y = 4, z = 6$

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Similar Questions

જો $y = \sum_{k=1}^{6} k \cos^{-1} \left\{ \frac{3}{5} \cos kx - \frac{4}{5} \sin kx \right\}$ હોય,તો $x = 0$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

$\lim _{n \rightarrow \infty} \tan \left\{\sum_{r=1}^{n} \tan ^{-1}\left(\frac{1}{1+r+r^{2}}\right)\right\}$ ની કિંમત .......... છે.

જો $\sin^{-1}(\tan \frac{\pi}{4}) - \sin^{-1}(\sqrt{\frac{3}{x}}) = \frac{\pi}{6}$ હોય, તો $x$ એ કયા સમીકરણનું બીજ છે:

જો $a^2+b^2+c^2=r^2$ હોય,તો $\tan ^{-1}\left(\frac{a b}{c r}\right)+\tan ^{-1}\left(\frac{b c}{a r}\right)+\tan ^{-1}\left(\frac{c a}{b r}\right)$ નું મૂલ્ય શોધો.

ધારો કે $S = \{ x : \cos^{-1} x = \pi + \sin^{-1} x + \sin^{-1}(2x + 1) \}$. તો $\sum_{x \in S} (2x - 1)^2$ ની કિંમત . . . . . . છે.

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