The transformed equation of `x^2 +y^2=r^2,` when the axes are rotated through an angle `36^@` is

The transformed equation of x^(2) + y^(2) = r^(2) when the axes rotated through an angle 36^(@) is

The transformed equation of x^(2) + y^(2) =a^(2) when the axes are rotated through an angle 18^(@) is

The transformed equation of x^(2) -y^(2)=a^(2) when the axes are rotated through an angle pi//4 in clockwise direction is

The transformed equation of x^(2)+6 x y+8 y^(2)=10 when the axes are rotated through an angle (pi)/(4) is

The transformed equation of 2xy + a^(2) =0 when the axes are rotated through an angle pi//4 is

The transferred equation of x^(2) -y^(2) +a^(2)=0 when the axes are rotated through an angle 60^(@) is

The transformed equation of x^(2)+6xy+8y^(2)=10 when the axes are rotated through an angled pi//4 is

Find the transformed equation of 3x^(2)+10xy +3y^(2) = 9 when the axes are rotated through an angle pi/4