Equation of tangent at -3-4 to ellipse x29-y216-1

The correct option is D 4x+3y+24=0 The equation is x^29+y^216=1 Slope of tangent is given as 2x9+2y16dydx=0 dydx= 16x9y .dydx|_( 3, 4)= ...

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Derivative from First Principle

Equation of t...

Question

Equation of tangent at $(- 3, - 4)$ to ellipse $\frac{x^{2}}{9} + \frac{y^{2}}{16} = 1$

4 x + 3 y + 24 = 0

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3 x + 4 y = 24

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y = 0

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n o n e o f t h e s e

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