MCQ
यदि $y+x=\sin (y+x)$, तो $\frac{d y}{d x}=$
  • $\frac{1-\cos (y+x)}{1+\cos (y+x)}$
  • B
    1
  • C
    -1
  • D
    $0$

Answer

Correct option: A.
$\frac{1-\cos (y+x)}{1+\cos (y+x)}$
(A)

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