Category: Polynomials

6. Write the following cubes in expanded form: (i) ((2x+1)^3) (ii) ((2a-3b)^3) (iii) ([{3over 2}x+1]^3) (iv) ([x-{2over 3}y]^3)

5. Factorise : (i) (4x^2+9y^2+16z^2+12xy-24yz-16xz) (ii) (2x^2+y^2+8z^2-2sqrt 2 xy+4sqrt 2  yz-8xz)  Polynomials Exercise 2.4 Previous Next Class 9

4. 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)   

3. Factorise the following using appropriate identities: (i) (9x^2+6xy+y^2) (ii) (4y^2-4y+1) (iii) (x^2-{y^2over 100}) Polynomials Exercise 2.4 Previous

2. Evaluate the following products without multiplying directly: (i) 103 × 107 (ii) 95 × 96 (iii) 104

1. Use suitable identities to find the following products: (i) (x + 4) (x + 10) (ii) (x

5. Factorise: (i) (p(x)=x^3-2x^2-x+2)   (ii) (p(x)=x^3-3x^2-9x-5) (iii) (p(x)=x^3+13x^2+32x+20) (iv) (p(y)=2y^3+y^2-2y-1)   Polynomials Exercise 2.3 Previous Next Class

4. Factorise: (i) (p(x)=12x^2-7x+1) (ii) (p(x)=2x^2+7x+3) (iii) (p(x)=6x^2+5x-6) (iv) (p(x)=3x^2-x-4) Polynomials Exercise 2.3 Previous Next Class 9 Polynomials

3. Find the value of k, if x – 1 is a factor of p(x) in each of

2. Use the Factor Theorem to determine whether g(x) is a factor of p(x) in each of the