MCQ
यदि $\tan ^{-1}\left(\frac{a}{x}\right)+\tan ^{-1}\left(\frac{b}{x}\right)=\frac{\pi}{2}$, तब x =
  • $\sqrt{a b}$
  • B
    $\sqrt{2 a b}$
  • C
    $2 a b$
  • D
    ab

Answer

Correct option: A.
$\sqrt{a b}$
A

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free