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5. Simplify (2x- 5y)^3 – (2x+ 5y)^3.
28
Jun
5. Simplify (2x- 5y)^3 – (2x+ 5y)^3. 5. Simplify (2x- 5y)^3 – (2x+ 5y)^3. June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
4. Without actual division, prove that 2x^4 – 5x^3 + 2x^2 – x + 2 is divisible by x^2 – 3x + 2.
28
Jun
4. Without actual division, prove that 2x^4 – 5x^3 + 2x^2 – x + 2 is divisible by x^2 – 3x + 2. 4. Without actual division prove that 2x^4 – 5x^3 + 2x^2 – x + 2 is divisible by x^2 – 3x + 2. June 28, 2021 Category: Chapter 2 - Polynomials , [...]
3. If both x – 2 and x -(1/2) are factors of px^2+ 5x+r, then show that p = r.
28
Jun
3. If both x – 2 and x -(1/2) are factors of px^2+ 5x+r, then show that p = r. 3. If both x – 2 and x -(1/2) are factors of px^2+ 5x+r then show that p = r. June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
2. The polynomial p{x) = x^4 – 2x^3 + 3x^2 – ax + 3a – 7 when divided by x + 1 leaves the remainder 19. Find the values of a. Also, find the remainder when p(x) is divided by x + 2.
28
Jun
2. The polynomial p{x) = x^4 – 2x^3 + 3x^2 – ax + 3a – 7 when divided by x + 1 leaves the remainder 19. Find the values of a. Also, find the remainder when p(x) is divided by x + 2. 2. The polynomial p{x) = x^4 – 2x^3 + 3x^2 – ax [...]
1. If the polynomials az^3 + 4z^2 + 3z – 4 and z^3 – 4z + o leave the same remainder when divided by z – 3, find the value of a.
28
Jun
1. If the polynomials az^3 + 4z^2 + 3z – 4 and z^3 – 4z + o leave the same remainder when divided by z – 3, find the value of a. 1. If the polynomials az^3 + 4z^2 + 3z – 4 and z^3 – 4z + o leave the same remainder when divided [...]
40. Give possible expression for the length and breadth of the rectangle whose area is given by 4a^2 + 4a – 3.
28
Jun
40. Give possible expression for the length and breadth of the rectangle whose area is given by 4a^2 + 4a – 3. 40. Give possible expression for the length and breadth of the rectangle whose area is given by 4a^2 + 4a – 3. June 28, 2021 Category: Chapter 2 - Polynomials , Maths , [...]
39.Find the value of (ii) x^3 – 8y^3 – 36xy – 216,when x = 2y + 6.
28
Jun
39.Find the value of (ii) x^3 – 8y^3 – 36xy – 216,when x = 2y + 6. 39.Find the value of (ii) x^3 – 8y^3 – 36xy - 216 when x = 2y + 6. June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
39.Find the value of (i) x^3 + y^3 – 12xy + 64,when x + y = -4.
28
Jun
39.Find the value of (i) x^3 + y^3 – 12xy + 64,when x + y = -4. 39.Find the value of (i) x^3 + y^3 – 12xy + 64 when x + y = -4. June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
38. Without finding the cubes, factorise (x- 2y)^3 + (2y – 3z)^3 + (3z – x)^3.
28
Jun
38. Without finding the cubes, factorise (x- 2y)^3 + (2y – 3z)^3 + (3z – x)^3. 38. Without finding the cubes factorise (x- 2y)^3 + (2y – 3z)^3 + (3z – x)^3. June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
37. Without actually calculating the cubes, find the value of : (ii) (0.2)^3 – (0.3)^3 + (0.1)^3
28
Jun
37. Without actually calculating the cubes, find the value of : (ii) (0.2)^3 – (0.3)^3 + (0.1)^3 37. Without actually calculating the cubes find the value of : (ii) (0.2)^3 - (0.3)^3 + (0.1)^3 June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,