[" 21If the tangents on the ellipse "4x^...

[" 21If the tangents on the ellipse "4x^(2)+y^(2)=8],[" at the points "(1,2)" and "(a,b)" are "],[" perpendicular to each other,then "a^(2)" is "],[" equal to "],[[" (a) "(128)/(17)," (b) "(64)/(17)," (c) "(4)/(17)," (d) "(2)/(17)]]

Similar Questions

Explore conceptually related problems

show that the tangent of the circle x^(2)+y^(2)=25 at the point (3,4) and (4,-3) are perpendicular to each other.

If the eccentricites of the ellipse x^(2)/4+y^(2)/3=1 and the hyperbola x^(2)/64-y^(2)/b^(2)=1 are reciprocals of each other, then b^(2) is equal to

If the eccentricites of the ellipse x^(2)/4,y^(2)/3=1 and the hyperbola x^(2)/64,y^(2)/b^(2)=1 are reciprocals of each other, then b^(2) is equal to

The equations of the commom tangents of the ellipse x^(2)+4y^(2)=8 & the parabola y^(2)=4x are

Find the equation of the tangent to the ellipse : 2x^2+y^2=6 from the point (2,1).

On the ellipse 4x^(2)+9y^(2)=1 , the points at which the tangent are parallel to the line 8x=9y are

If the tangent to the ellipse x^(2)+4y^(2)=16 at the point 0 sanormal to the circle x^(2)+y^(2)-8x-4y=0 then theta is equal to

On the ellipse 4 x^(2)+9 y^(2)=1 , the point at which the tangent are parallel to 8 x=9 y are

If the tangent to the ellipse x^2 +4y^2=16 at the point is normal to the circle x^2 +y^2-8x-4y=0 then theta is equal to