Expand each of the following, using suitable identities:(i) `(x+2y+4z)^2` (ii) `(2x-y+z)^2` (iii) `(-2x+3y+2z)^2` (iv) `(3a-7b-c)^2`(v) `(-2x+5y-3z)^2` (vi) `[1/4a-1/2b+1]^2`

Expand each of the following using suitable identities : (-2x+5y-3z)^(2)

Expand each of the following , using suitable identities. (-2x+5y-3z)^(2)

Expand each of the following, using suitable identities : (i) (x+2y+4z)^(2) (ii) (2x-y+z)^(2) (iii) (-2x+3y+2z)^(2) (iv) (3a-7b-c)^(2) (v) (-2x+5y-3z)^(2) (vi) [(1)/(4)a-(1)/(2)b+1]^(2)

Expand using suitable identity (2x-3y+z)^(2) .

Write the following in expanded form: (i) (1/4a-1/2b+1)^2 (ii) (-2x+5y-3z)^2

Find the following products: (i) (z^2+2)(z^2-3) (ii) (3x-4y)(2x-4y) (iii) (3x^2-4x y)(3x^2-3x y) (iv) (x+1/5)(x+5)

Expand the following (i) (4a-b+ac)^(2) (ii) (3a-5b-c)^(2) (iii) (-x+2y-3z)^(2)

Expand the following (i) (4a-b+ac)^(2) (ii) (3a-5b-c)^(2) (iii) (-x+2y-3z)^(2)

Evaluate each of the following algebraic expressions for x=1,\ y=-1, z=2,\ a=-2,\ b=1,\ c=-2: (i) a x+b y+c z (ii) a x^2+b y^2-c z^2 (iii) a x y+b y z+c x y