(25)/(4)x^(2)-(y^(2))/(9)

Factorise : ((25)/(4)x^2-(1)/(9)y^2)

The minimum length of intercept on any tangent to the ellipse (x^(2))/(4)+(y^(2))/(9)=1 cut by the circle x^(2)+y^(2)=25 is :

Locus of feet of perpendicular from (5,0) to the tangents of (x^(2))/(16)-(y^(2))/(9)=1 is (A)x^(2)+y^(2)=4(B)x^(2)+y^(2)=16(C)x^(2)+y^(2)=9(D)x^(2)+y^(2)=25

The angle between the curve x^(2) - y^(2) = 8 and (x^(2))/(25) + (y^(2))/(9)=1 is

The eccentricity of ellipse (x^(2))/(25)+(y^(2))/(9)=1 is ……………. .

Factorise: (i) 49 a^2+70 a b+25 b^2 (ii) (25)/4x^2-(y^2)/9

The equation to the common tangent to the hyperbolas (x^(2))/(25)-y^(2)/(9)=1 and (x^(2))/(9)-y^(2)/(25)+1=0 is

Find the eccentricity of the ellipse (i) (x^(2))/(16)+(y^(2))/(9)=1 (ii) (x^(2))/(64)+(y^(2))/(36)=1 (iii)25x^(2)+4y^(2)=100