If $$\log \left(\sqrt{1+x^2}-x\right)=y\left(\sqrt{1+x^2}\right)$$, then $$\left(1+x^2\right) \frac{d y}{d x}+x y$$ is equal to
- A0
- B1
- C2
- D$$-$$1
✓ Correct answer: D
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NewNcert › mathematics › Continuity and Differentiability
If $$\log \left(\sqrt{1+x^2}-x\right)=y\left(\sqrt{1+x^2}\right)$$, then $$\left(1+x^2\right) \frac{d y}{d x}+x y$$ is equal to
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Question ID #140504 · NewNcert