[" 70.If the litue "ln alpha+6y=1" a twut thes the drede "],[qquad x^(2)+y^(2)=a^(2)" then she locus of "(h,k)" is "]

If the line hx+ky=(1)/(a) touches the circle x^(2)+y^(2)=a^(2) then the locus of (h,k) is circle of radius

If the line hx + ky = 1 touches x^(2)+y^(2)=a^(2) , then the locus of the point (h, k) is a circle of radius

If the line hx + ky = 1 touches x^(2)+y^(2)=a^(2) , then the locus of the point (h, k) is a circle of radius

If a point (alpha, beta) lies on the circle x^(2)+y^(2)=1 , then the locus of the point, (3 alpha+2, beta) is

If the variable line y=kx+2h is tangent to an ellipse 2x^(2)+3y^(2)=6, then the locus of P(h,k) is a conic C whose eccentricity is 3 . Then the value of 3e^(2) is

If the line hx+ky=1 touches x^2+y^2=a^2 , then the locus of the point (h,k) is a circle of radius

If the variable line y=kx+2h is tangent to an ellipse 2x^(2)+3y^(2)=6 then locus of P(h,k) is a conic C whose eccentricity is e then the value of 3e^(2) is

Let from a point A (h,k) chord of contacts are drawn to the ellipse x^2+2y^2=6 such that all these chords touch the ellipse x^2+4y^2=4, then locus of the point A is

Let from a point A (h,k) chord of contacts are drawn to the ellipse x^2+2y^2=6 such that all these chords touch the ellipse x^2+4y^2=4, then locus of the point A is