Question

If e^x +xy = e, then dy/dx at x = 0 is –

• A. 0
• B. 1
• C. – 1
• D. None

Answer 1

Answer: (D)

None

Answer 2

at x = 0, y = 1

Now y¹ = –$\left\lbrack \frac{y}{e^{y} + x} \right\rbrack$

y¹(0) = –1/e