At any point of a curve (subtangent) × (subnormal) is equal to the square of the
Answer & explanation
Correct answer: option 4
We have,
Sub normal = $y \frac{d y}{d x}$, Sub tangent = $\frac{y}{\frac{d y}{d x}}$
∴ Sub normal × Sub tangent = $y^2$
At any point of a curve (subtangent) × (subnormal) is equal to the square of the
Correct answer: option 4
We have,
Sub normal = $y \frac{d y}{d x}$, Sub tangent = $\frac{y}{\frac{d y}{d x}}$
∴ Sub normal × Sub tangent = $y^2$