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Example 2 Find the value of each of the following polynomials at the indicated value of variables: (i) p(x) = 5x^2 – 3x + 7 at x = 1.
15
Oct
Example 2 Find the value of each of the following polynomials at the indicated value of variables: (i) p(x) = 5x^2 – 3x + 7 at x = 1. Example 2 Find the value of each of the following polynomials at the indicated value of variables: (i) p(x) = 5x^2 – 3x + 7 at [...]
Example 1: Find the degree of each of the polynomials given below: (i) x^5 – x^4 + 3 (ii) 2 – y^2 – y^3 + 2y^8 (iii) 2
15
Oct
Example 1: Find the degree of each of the polynomials given below: (i) x^5 – x^4 + 3 (ii) 2 – y^2 – y^3 + 2y^8 (iii) 2 Example 1: Find the degree of each of the polynomials given below: (i) x^5 - x^4 + 3 (ii) 2 - y^2 - y^3 + 2y^8 (iii) [...]
16. What are the possible expressions for the dimensions of the cuboids whose volumes are given below? (ii) Volume : 12ky^2+8ky–20k
15
Oct
16. What are the possible expressions for the dimensions of the cuboids whose volumes are given below? (ii) Volume : 12ky^2+8ky–20k 16. What are the possible expressions for the dimensions of the cuboids whose volumes are given below? (ii) Volume : 12ky^2+8ky–20k October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class [...]
16. What are the possible expressions for the dimensions of the cuboids whose volumes are given below? (i) Volume : 3x^2–12x
15
Oct
16. What are the possible expressions for the dimensions of the cuboids whose volumes are given below? (i) Volume : 3x^2–12x 16. What are the possible expressions for the dimensions of the cuboids whose volumes are given below? (i) Volume : 3x^2–12x October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class [...]
15. Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given: (ii) Area : 35y^2 + 13y – 12
15
Oct
15. Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given: (ii) Area : 35y^2 + 13y – 12 15. Give possible expressions for the length and breadth of each of the following rectangles in which their areas are given: (ii) Area : 35y^2 + [...]
15. Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given: (i) Area : 25a^2–35a+12
15
Oct
15. Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given: (i) Area : 25a^2–35a+12 15. Give possible expressions for the length and breadth of each of the following rectangles in which their areas are given: (i) Area : 25a^2–35a+12 October 15, 2020 Category: Chapter [...]
14. Without actually calculating the cubes, find the value of each of the following: (ii) (28)^3 + (−15)^3 + (−13)^3
15
Oct
14. Without actually calculating the cubes, find the value of each of the following: (ii) (28)^3 + (−15)^3 + (−13)^3 14. Without actually calculating the cubes find the value of each of the following: (ii) (28)^3 + (−15)^3 + (−13)^3 October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
14. Without actually calculating the cubes, find the value of each of the following: (i) (−12)^3 + (7)^3 + (5)^3
15
Oct
14. Without actually calculating the cubes, find the value of each of the following: (i) (−12)^3 + (7)^3 + (5)^3 14. Without actually calculating the cubes find the value of each of the following: (i) (−12)^3 + (7)^3 + (5)^3 October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
13. If x+y+z = 0, show that x^3 + y^3 + z^3 = 3xyz.
15
Oct
13. If x+y+z = 0, show that x^3 + y^3 + z^3 = 3xyz. 13. If x+y+z = 0 show that x^3 + y^3 + z^3 = 3xyz. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
12. Verify that: x^3 + y^3 + z^3 – 3xyz = (1/2) (x+y+z)[(x–y)^2+(y–z)^2+(z–x)^2]
15
Oct
12. Verify that: x^3 + y^3 + z^3 – 3xyz = (1/2) (x+y+z)[(x–y)^2+(y–z)^2+(z–x)^2] 12. Verify that: x^3 + y^3 + z^3 – 3xyz = (1/2) (x+y+z)[(x–y)^2+(y–z)^2+(z–x)^2] October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,