Class 10 Maths – RD Sharma Chapter 2: Polynomials Exercise 2.3 Solution (Step-by-Step Guide)

RD Sharma Chapter 2: Polynomials Exercise 2.3 Solution

  1. Apply division algorithm to find the quotient q(x) and remainder r(x) in dividing f(x) by g(x) : f(x) = x^3 – 6x^2 + 11x – 6, g(x) = x^2 + x + 1 Watch Solution
  2. Apply division algorithm to find the quotient q(x) and remainder r(x) in dividing f(x) by g(x) : f(x) = 10x^4 + 17x^3 – 62x^2 + 30x – 3, g(x) = 2x^2 + 7x + 1 Watch Solution
  3. Apply division algorithm to find the quotient q(x) and remainder r(x) in dividing f(x) by g(x) : f(x) = 4x^3 + 8x + 8x^2 + 7, g(x) = 2x^2 – x + 1 Watch Solution
  4. Apply division algorithm to find the quotient q(x) and remainder r(x) in dividing f(x) by g(x) : f(x) = 15x^3 – 20x^2 + 13x – 12, g(x) = 2 – 2x + x^2 Watch Solution
  5. Check whether the first polynomial is a factor of the second polynomial by applying the division algorithm : g(t)=t^2 – 3, f(t)=2t^4+3t^3-2t^2-9t-12 Watch Solution
  6. Check whether the first polynomial is a factor of the second polynomial by applying the division algorithm : g(x)=x^3-3x+1, f(x)=x^5-4x^3+x^2+3x+1 Watch Solution
  7. Check whether the first polynomial is a factor of the second polynomial by applying the division algorithm : g(x)=2x^2-x+3,f(x)=6x^5-x^4+4x^3-5x^2-x-15 Watch Solution
  8. Obtain all zeros of the polynomial f(x) = 2x^4 + x^3 – 14x^2 – 19x – 6, if two of its zeros are -2 and -1. Watch Solution
  9. Obtain all zeros of f(x) = x^3 + 13x^2 + 32x + 20, if one of its zeros is -2. Watch Solution
  10. Obtain all zeros of the polynomial f(x) = x^4 – 3x^3 – x^2 + 9x – 6, if two of its zeros are -√3 and √3 Watch Solution
  11. Find all zeros of the polynomial f(x) = 2x^4 – 2x^3 – 7x^2 + 3x + 6, if its two zeros are -√3/2 and √3/2 Watch Solution
  12. Find all the zeros of the polynomial x^4 + x^3 – 34x^2 – 4x + 120, if two of its zeros are 2 and -2. Watch Solution
  13. Find all zeros of the polynomial 2x^4 + 7x^3 – 19x^2 – 14x + 30, if two of its zeros are √2 and -√2 . Watch Solution
  14. Find all the zeros of the polynomial 2x^3 + x^2 – 6x – 3, if two of its zeros are -√3 and √3 . Watch Solution
  15. Find all the zeros of the polynomial x^3 + 3x^2 – 2x – 6, if two of its zeros are -√2 and √2 . Watch Solution
  16. Find all zeros of the polynomial 2x^4 – 9x^3 + 5x^2 +3x – 1, if two of its zeros are 2+√3 and 2-√3 . Watch Solution
  17. For what value of k, is the polynomial f(x) = 3x^4 – 9x^3 + x^2 +15x + k completely divisible by 3x^2 – 5 ? Watch Solution
  18. What must be added to the polynomial f(x) = x^4 + 2x^3 – 2x^2 + x – 1 so that the resulting polynomial is exactly divisible by x^2 + 2x – 3? Watch Solution
  19. What must be subtracted from the polynomial f(x) = x^4 + 2x^3 – 13x^2 – 12x + 21 so that the resulting polynomial is exactly divisible by x^2 – 4x + 3 ? Watch Solution
  20. Given that √2 is a zero of the cubic polynomial 6x^3 +√2x^2 – 10x – 4√2, find its other two zeroes . Watch Solution
  21. Given that x – √5 is a factor of the cubic polynomial x^3 – 3√5x^2 + 13x – 3√5 , find all the zeroes of the polynomial . Watch Solution

 

2. Polynomials R.D. Sharma Class 10th Math

  1. Polynomials Exercise 2.1 Video Solution

  2. Polynomials Exercise 2.2 Video Solution

  3. Polynomials Exercise 2.3 Video Solution

  4. Polynomials Multiple Choice Questions (MCQs) Video Solution Video Solution

  5. Polynomials Fill in the Blanks (FBQs) Video Solution

  6. Polynomials Very Short Answer Questions (VSAQs) Video Solution Video Solution

 

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