" gactowize "(9x^(8)+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.

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)

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

Factorise the following using appropriate identities: (i) 9x^(2)+6xy+y^(2) (ii) (ii) x^(2)-(y^(2))/(100)

Factorise the following using appropriate identities : (i) 9x^(2)+6xy+y^(2) " " (ii) 4y^(2)-4y+1 " " (iii) x^(2)-(y^(2))/(100)