(1)*9x^(2)+6xy+y^(2)

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

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

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) .

Factorise completely : x^(2) + 6xy + 9y^(2) + x + 3y