NDA2017MathematicsEllipseActual
The position of the point (1,2) relative to the ellipse 2 x ^2+7 y ^2=20 is
Options
- Aoutside the ellipse
- Binside the ellipse but not at the focus
- Con the ellipse
- Dat the focus
Correct answer
A. outside the ellipse
Step-by-step solution
Given ellipse, 2 x ^2+7 y ^2=20 . Given point, (1,2)2(1)^2+7(2)^2-20=2+28-20=38-20=18 0 . Point is outside the ellipse.