The area of quardrilateral formed with foci of the hyperbolas ` x^(2)/a^(2) - y^(2)/b^(2) =1 and x^(2)/a^(2) - y^(2)/b^(2) = -1` is

Area of the quadrilateral formed with the foci of the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 and (x^(2))/(a^(2))-(y^(2))/(b^(2))=-1( a) 4(a^(2)+b^(2))( b) 2(a^(2)+b^(2))( c) (a^(2)+b^(2))(d)(1)/(2)(a^(2)+b^(2))

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

What are the foci of the hyperbola x^(2)/(36)-y^(2)/(16)=1

What are the foci of the hyperbola x^(2)/(36)-y^(2)/(16)=1

The foci of the hyperbola 4x^(2)-9y^(2)-1=0 are

The foci of the hyperbola 4x^(2)-9y^(2)-1=0 are

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

Area of the quadrilateral formed with the foci of the hyperbola x^2/a^2-y^2/b^2=1 and x^2/a^2-y^2/b^2=-1 (a) 4(a^2+b^2) (b) 2(a^2+b^2) (c) (a^2+b^2) (d) 1/2(a^2+b^2)