Chapter 2 – Polynomials
Example 21 : Factorise 4x^2 + y^2 + z^2 – 4xy – 2yz + 4xz.
15
Oct
Example 21 : Factorise 4x^2 + y^2 + z^2 – 4xy – 2yz + 4xz. Example 21 : Factorise 4x^2 + y^2 + z^2 - 4xy - 2yz + 4xz. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 20 : Expand (4a – 2b – 3c)^2 .
15
Oct
Example 20 : Expand (4a – 2b – 3c)^2 . Example 20 : Expand (4a - 2b - 3c)^2 . October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 19 : Write (3a + 4b + 5c)^2 in expanded form.
15
Oct
Example 19 : Write (3a + 4b + 5c)^2 in expanded form. Example 19 : Write (3a + 4b + 5c)^2 in expanded form. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 18 : Factorise: (ii) 25/4x^2 – y^2/9
15
Oct
Example 18 : Factorise: (ii) 25/4x^2 – y^2/9 Example 18 : Factorise: (ii) 25/4x^2 - y^2/9 October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 18 : Factorise: (i) 49a^2 + 70ab + 25b^2.
15
Oct
Example 18 : Factorise: (i) 49a^2 + 70ab + 25b^2. Example 18 : Factorise: (i) 49a^2 + 70ab + 25b^2. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 17 : Evaluate 105 x 106 without multiplying directly.
15
Oct
Example 17 : Evaluate 105 x 106 without multiplying directly. Example 17 : Evaluate 105 x 106 without multiplying directly. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 16 : Find the following products using appropriate identities: (ii) (x – 3)(x + 5)
15
Oct
Example 16 : Find the following products using appropriate identities: (ii) (x – 3)(x + 5) Example 16 : Find the following products using appropriate identities: (ii) (x - 3)(x + 5) October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 16 : Find the following products using appropriate identities: (i) (x+3) (x+3)
15
Oct
Example 16 : Find the following products using appropriate identities: (i) (x+3) (x+3) Example 16 : Find the following products using appropriate identities: (i) (x+3) (x+3) October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 15 : Factorise x^3 – 23x^2 + 142x – 120.
15
Oct
Example 15 : Factorise x^3 – 23x^2 + 142x – 120. Example 15 : Factorise x^3 - 23x^2 + 142x - 120. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 14 : Factorise y^2 – 5y + 6 by using the Factor Theorem.
15
Oct
Example 14 : Factorise y^2 – 5y + 6 by using the Factor Theorem. Example 14 : Factorise y^2 - 5y + 6 by using the Factor Theorem. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,