Question Answers
Sahay Sir > Question Answers
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 ,
Example 13 : Factorise 6x^2 + 17x + 5 by splitting the middle term, and by using the Factor Theorem.
15
Oct
Example 13 : Factorise 6x^2 + 17x + 5 by splitting the middle term, and by using the Factor Theorem. and by using the Factor Theorem. Example 13 : Factorise 6x^2 + 17x + 5 by splitting the middle term October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 12 :Find the value of k, if x – 1 is a factor of 4x^3 + 3x^2 – 4x + k.
15
Oct
Example 12 :Find the value of k, if x – 1 is a factor of 4x^3 + 3x^2 – 4x + k. Example 12 :Find the value of k if x - 1 is a factor of 4x^3 + 3x^2 - 4x + k. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , [...]
Example 11 : Examine whether x + 2 is a factor of x^3 + 3x^2 + 5x + 6 and of 2x + 4.
15
Oct
Example 11 : Examine whether x + 2 is a factor of x^3 + 3x^2 + 5x + 6 and of 2x + 4. Example 11 : Examine whether x + 2 is a factor of x^3 + 3x^2 + 5x + 6 and of 2x + 4. October 15, 2020 Category: Chapter 2 - [...]