[" IS find the Product of a) `(x^(2)+3y^(2))(x^(2)+xy)`

Find the product of (-4xy)(2x - y).

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

Find the product of (-2xy)(3x - y)

Find the product of 3x, -4xy, 3x^(2), 4y^(2), 6x^(3)y^(2)

If x=2+3i and y=2-3i then find the values of : (x^(2)+xy+y^(2))/(x^(2)-xy+y^(2))

Find the products (2)/(3)x^(2)y xx (3)/(5)xy^(2)

(a) If x : y = 3 : 4 , then find the value of the ratio (2x + y) : ( 9x - 2y) . (b) If x : y = 5 : 4 , then find the value of the ratio (x^(2) + xy) : (x^(2) - xy) .

Find the products (-4x^(2))xx(-6xy^(2)) xx(-3y)

Find the product of : -2xy^(2) and 5/16 x^(2)y^(3)