(i)9x^(2)+6xy+y^(2)

Show that the equation 9x^(2) - 6xy + y^(2) + 18x - 6y + 8 = 0 represents a pair of lines. Find the acute angle between them.

Find the products: (3x+2y)(9x^(2)-6xy+4y^(2))

Solve (9x+7xy +9x^(2)) + (8+x^(2) -xy -y^(2)+1) .

Distance between the pair of lines represented by the equation x^(2)– 6xy +9y^(2)+ 3x - 9y -4 = 0 is

Factrorise the following using appropriate identities. 9x^(2)+6xy+y^(2)

The acute angle between the line represented by 9x^(2)-6xy+y^(2)+18x-6y+8=0 is

Show that the following equations represents a pair of parallel lines and also find the distance between them. 9x^(2)-6xy+y^(2)+18x-6y+8=0