Equation of tangent to ellipse x2a2-y2b2-1 at pointPx1-y1isxx1a2-yy1b2-1

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Standard XII

Mathematics

Tangent to an Ellipse: Point Form

Equation of t...

Question

Equation of tangent to ellipse $\frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1$ at point
$P (x_{1}, y_{1})$ is
$\frac{x x_{1}}{a^{2}} + \frac{y y_{1}}{b^{2}} = 1$

False

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True

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Solution

The correct option is B True

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Equation of tangent to ellipse x2a2+y2b2=1 at point P(x1,y1)is xx1a2+yy1b2=1

The correct option is B True

Equation of tangent to ellipse $\frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1$ at point
$P (x_{1}, y_{1})$ is
$\frac{x x_{1}}{a^{2}} + \frac{y y_{1}}{b^{2}} = 1$