The slopes of the common tangents of the hyperbolas `(x^(2))/(9)-(y^(2))/(16)=1` and `(y^(2))/(9)-(x^(2))/(16)=1`, are

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

The length of common tangent to the ellipses (x^(2))/(16)+(y^(2))/(9)=1 and (x^(2))/(9)+(y^(2))/(16)=1 is

The foci of the hyperbola (x^(2))/(16) -(y^(2))/(9) = 1 is :

One of the foci of the hyperbola (x ^(2))/( 16) - (y ^(2))/(9) =1 is

Area of quadrilateral formed by common tangents to ellipses E_(1):(x^(2))/(16)+(y^(2))/(9)=1 and E_(2):(x^(2))/(9)+(y^(2))/(16)=1 is

The slope of a common tangent to the ellipse (x^(2))/(49) + (y^(2))/(4) =1 and the circle x^(2) + y^(2) = 16 is

Write the eccentricity of the hyperbola 9x^(2)-16y^(2)=144

The mid point of the chord 16x+9y=25 to the ellipse (x^(2))/(9)+(y^(2))/(16)=1 is