Saved Bookmarks
| 1. |
If ex + ey = ex+y, then dy/dx is :(a) ey - x(b) ex + y(c) – ey - x(d) 2 ex - y |
|
Answer» Option : (c) ex+ey = ex+y ⇒ e-y + e-x = 1 Differentiating w.r.t. x : ⇒ -e-y\(\frac{dy}{dx}\)-e-x = 0 ⇒ \(\frac{dy}{dx}\) = -ey-x |
|