Practicing Success
Practicing Success
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The tangent to a given curve is perpendicular to x - axis, if |
$\frac{d y}{d x}=0$ $\frac{d y}{d x}=1$ $\frac{d x}{d y}=0$ $\frac{d x}{d y}=1$ |
$\frac{d x}{d y}=0$ |
If the tangent is perpendicular to x - axis, then $\frac{d y}{d x} \rightarrow \pm \infty \Rightarrow \frac{d x}{d y}=0$ |
