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ellipse help
Assuming P lies on H Origin: O(0,0) Point P: P(x_1, y_1) H: x^2/a^2 + y^2/b^2 = 1 OP is perpendicular to Tangent @ P --> ie, (m_op).(m_tangent@P) = -1 <-- the condition required m_op = (y_1-0)/(x_1-0) = y_1/x_1 m_tangent@P: Differentiate H wrtx: (2x/a^2) + (2y/b^2)*dy/dx = 0...- BlueMP
- Post #3
- Forum: Mathematics Extension 2
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