Identify the like terms in the following algebraic expressions: (i)`a^2+b^2-2a^2+c^2+4a` (ii)`3x+4x y-2y z+5/2z y` (iii)`a b c+a b^2c+2a c b^2+3c^2a b+b^2a c-2a^2b c+3c a b^2`

Identify the like terms in each of the following algebraic expressions: (i) x-2y+3z-4x+3x y (ii) 3a+2b-c+3/2a-4+3b (iii) x y^2+3x^2y-4x^2y^2-5+y^2x-2z^2x+3x z^2

Identify the terms, their coefficients for each of the following expressions: 3x^2y^2-5x^2y^2z^2+z^2 (ii) 9-a b+b c-c a

Add the following algebraic expressions : 2a - 3b + 4c , -3a + 2b - 5c , 7a - c and 3b + 6c

Identify the like terms in each of the following: (i) -2x^2y\ ,\ x^2z ,\ -y x^2,\ x^2y^2 (ii) c a b^2,\ a^2b c ,\ b^2a c ,\ c^2a b ,\ a b^2c ,\ a b c ,\ a c b^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

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

Identify the like terms and also mention the numerical coefficients of those terms: (i) 4x y ,\ -5x^2y ,\ -3y x ,\ 2x y^2 (ii) 7a^2b c ,\ -3c a^2b ,\ -5/2a b c^2,3/2a b c^2,-4/3c b a^2

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 : (i) (a+6b)^(2) " " (ii) (3x-4y)^(2) " " (iii) (2a-b+c)^(2)