The angle through which the axes be rotated so as to remove the term containing `xy` in the equation `7x^(2)-4xy+4y^(2)=5` is

The angle through which the axes are to be rotated so as to remove the xy term in the equation ax^(2)+2hxy+by^(2)=0 if a=b is

The angle through which the axes are to be rotated so as to remove the xy term in the equation ax^(2)+2hxy+by^(2)=0 if a=b is

The angle through which the coordinates axes be rotated so that xy-term in the equation 5x^(2)+4sqrt(3)xy+9y^(2)=0 may beb missing, is

Acute angle through which co-ordinate axes are rotated in order to remove xy term in 5x^(2)+2xy+3y^(2)+4x+5y+1=0 is (pi)/(n) where (2n) equals

The angle of rotation of axes in order to eliminate xy term in the equation xy=c^(2) is

The angle through which the axes must be rotated, without translation, in anit-closwise sence so that the exprssion ax^(2)+hxy-by^(2)+2gx+2fy+c does not contain the mixed product xy, is given by

Given the equation 4x^(2)+2sqrt(3)xy+2y^(2)=1 , through what angle should the axes be rotated so that the term in xy be wanting from the transformed equation.

Given the equation 4x^(2)+2sqrt(3)xy+2y^(2)=1 Through what angle should the axes be rotated so that the term xy is removed from the transformed equation.

Though what angle should the axes be rotated so that the equation 9x^(2)-2sqrt(3)xy+7y^(2)=10 may be changed to 3x^(2)+5y^(2)=5?

If the axes are rotated through an angle 180^(@) then the equation 2x-3y+4=0 becomes