defence exam Army Havildar SAC Mock Test Series 2025 Mathematics Parabola, Ellipse and Hyperbola Ellipse
The equation of the tangent to the ellipse \(\rm \frac{x^2}{25}+\frac{y^2}{16}=1\) at x = 3 is:
1
5x ± 3y = 25
2
3x ± 5y = 25
3
3x ± 5y = 16
4
5x ± 3y = 16