[" The straight lines "],[" represented by "],[(y-mx)^(2)=a^(2)(1+m^(2))" and "(y-nx)^(2)=a^(2)(],[" form a "]

The straight lines represented by (y-mx)^(2)=a^(2)(1+m^(2))and(y-nx)^(2)=a^(2)(1+n^(2)) form a

The straight lines represented by (y-mx)^(2)=a^(2)(1+m^(2))and(y-nx)^(2)=a^(2)(1+n^(2)) form a

The straight lines represented by (y-mx)^(2)=a^(2)(1+m^(2)) and (y-nx)^(2)=a^(2)(1+n^(2)) from a (a)rectangle (b) rhombus (c)trapezium (d) none of these

The straight lines represented by (y-mx)^2=a^2(1+m^2) and (y-nx)^2 =a^2(1+n^2) form a

Prove that the straight lines represented by (y-mx)^2=a^2 (1+m^2) and (y-nx)^2=a^2(1+n^2) form rhombus.

The straight lines represented by (y-m x)^2=a^2(1+m^2) and (y-n x)^2=a^2(1+n^2) form (a) rectangle (b) rhombus (c) trapezium (d) none of these

The straight lines represented by (y-m x)^2=a^2(1+m^2) and (y-n x)^2=a^2(1+n^2) from a (a)rectangle (b) rhombus (c)trapezium (d) none of these

The straight lines represented by (y-m x)^2=a^2(1+m^2) and (y-n x)^2=a^2(1+n^2) from a (a) rectangle (b) rhombus (c) trapezium (d) none of these

The straight lines represented by (y-m x)^2=a^2(1+m^2) and (y-n x)^2=a^2(1+n^2) from a (a) rectangle (b) rhombus (c) trapezium (d) none of these