Class 10 Maths – RD Sharma Chapter 2: Polynomials Exercise 2.1 Solution (Step-by-Step Guide)

RD Sharma Chapter 2: Polynomials Exercise 2.1 Solution

  1. Find the zeros of quadratic polynomial f(x) = x^2 – 2x – 8 and verify the relationship between the zeros and their coefficients. Watch Solution
  2. Find the zeros of quadratic polynomial g(s) = 4s^2 – 4s + 1 and verify the relationship between the zeros and their coefficients. Watch Solution
  3. Find the zeros of quadratic polynomial h(t)=t^2 – 15 and verify the relationship between the zeros and their coefficients. Watch Solution
  4. Find the zeros of quadratic polynomial f(x) = 6x^2 – 3 – 7x and verify the relationship between the zeros and their coefficients. Watch Solution
  5. Find the zeros of quadratic polynomial p(x) = x^2 + 2√2x – 6 and verify the relationship between the zeros and their coefficients. Watch Solution
  6. Find the zeros of quadratic polynomial q(x)=√3x^2 + 10x + 7√3 and verify the relationship between the zeros and their coefficients. Watch Solution
  7. Find the zeros of quadratic polynomial f(x) = x^2 – (√3 + 1)x + √3 and verify the relationship between the zeros and their coefficients. Watch Solution
  8. Find the zeros of quadratic polynomial g(x)=a(x^2+1) – x(a^2+1) and verify the relationship between the zeros and their coefficients. Watch Solution
  9. Find the zeros of quadratic polynomial h(s) = 2s^2 – (1 + 2√2)s + √2 and verify the relationship between the zeros and their coefficients. Watch Solution
  10. Find the zeros of quadratic polynomial f(v) = v^2 + 4√3v – 15 and verify the relationship between the zeros and their coefficients. Watch Solution
  11. Find the zeros of quadratic polynomial p(y) = y^2 + (3√5/2)y – 5 and verify the relationship between the zeros and their coefficients. Watch Solution
  12. Find the zeros of quadratic polynomial q(y) = 7y^2 – (11/3)y – 2/3 and verify the relationship between the zeros and their coefficients. Watch Solution
  13. Find a quadratic polynomial whose sum and product respectively of the zeros are -8/3 , 4/3. Also, find the zeros of these polynomials by factorization. Watch Solution
  14. Find a quadratic polynomial whose sum and product respectively of the zeros are 21/8 , 5/16. Also, find the zeros of these polynomials by factorization. Watch Solution
  15. Find a quadratic polynomial whose sum and product respectively of the zeros are -2√3, -9. Also, find the zeros of these polynomials by factorization. Watch Solution
  16. Find a quadratic polynomial whose sum and product respectively of the zeros are -3/2√5, -1/2, Also, find the zeros of these polynomials by factorization. Watch Solution
  17. If α and β are the zeros of the quadratic polynomial f(x) = x^2 – 5x + 4, find the value of 1/α + 1/β – 2αβ. Watch Solution
  18. If α and β are the zeros of the quadratic polynomial p(y) = 5y^2 – 7y + 1, find the value of 1/α+1/β. Watch Solution
  19. If α and β are the zeros of the quadratic polynomial f(x) = x^2 – x – 4, find the value of 1/α+1/β – αβ. Watch Solution
  20. If α and β are the zeroes of the quadratic polynomial f(x) = x^2 + x – 2, find the value of 1/α – 1/β. Watch Solution
  21. If one of the zero of the quadratic polynomial f(x) = 4x^2 – 8kx – 9 is negative of the other, then find the value of k. Watch Solution
  22. If the sum of the zeroes of the quadratic polynomial f(t)= kt^2 + 2t + 3k is equal to their product, then find the value of k. Watch Solution
  23. If α and β are the zeros of the quadratic polynomial p(x) = 4x^2 – 5x – 1, find the value of α^2β+αβ^2 Watch Solution
  24. If α and β are the zeros of the quadratic polynomial f(t) = t^2 – 4t + 3, find the value of α^4β^3+α^3β^4 Watch Solution
  25. If α and β are the zeros of the quadratic polynomial f(x) = 6x^2 + x – 2, find the value of α/β+β/α . Watch Solution
  26. If α and β are the zeros of the quadratic polynomial p(s) = 3s^2 – 6s + 4, find the value of α/β+β/α+2(1/α+1/β)+3αβ . Watch Solution
  27. If the squared difference of the zeros of the quadratic polynomial f(x) = x^2 + px + 45 is equal to 144, find the value of p. Watch Solution
  28. If α and β are the zeros of the quadratic polynomial f(x) = x^2 − px + q, prove that α^2/β^2+β^2/α^2=p^4/q^2−4p^2/q+2 . Watch Solution
  29. If α and β are the zeros of the quadratic polynomial f(x) = x^2 – p(x + 1) – c, show that (α + 1) (β + 1) = 1 – c. Watch Solution
  30. If α and β are the zeros of a quadratic polynomial such that α + β = 24 and α − β = 8, find a quadratic polynomial have α and β as its zeros. Watch Solution
  31. If α and β are the zeros of the quadratic polynomial f(x) = x^2 – 1, find the quadratic polynomial whose zeros are 2α/β and 2β/α Watch Solution
  32. If α and β are the zeros of the quadratic polynomial f(x) = x^2 – 3x – 2, find a quadratic polynomial whose zeros are 1/(2α+β) and 1/(2β+α) Watch Solution
  33. If α and β are the zeros of the polynomial f(x) = x^2 + px + q, from a polynomial whose zeros are (α + β)^2 and (α – β)^2. Watch Solution
  34. If α and β are the zeros of the quadratic polynomial f(x) = x^2 – 2x + 3, find a polynomial whose roots are α + 2, β + 2 Watch Solution
  35. If α and β are the zeros of the quadratic polynomial f(x) = x^2 – 2x + 3, find a polynomial whose roots are (α-1)/(α+1), (β-1)/(β+1) . Watch Solution
  36. If α and β are the zeroes of the quadratic polynomial f(x) = ax^2 + bx + c, then evaluate : α – β Watch Solution
  37. If α and β are the zeroes of the quadratic polynomial f(x) = ax^2 + bx + c, then evaluate : 1/α -1/β Watch Solution
  38. If α and β are the zeroes of the quadratic polynomial f(x) = ax^2 + bx + c, then evaluate : 1/α+1/β-2αβ Watch Solution
  39. If α and β are the zeroes of the quadratic polynomial f(x) = ax^2 + bx + c, then evaluate :α^2β – αβ^2 Watch Solution
  40. If α and β are the zeroes of the quadratic polynomial f(x) = ax^2 + bx + c, then evaluate : α^4 + β^4 Watch Solution
  41. If α and β are the zeroes of the quadratic polynomial f(x) = ax^2 + bx + c, then evaluate : 1/(aα+b) + 1/(aβ+b) Watch Solution
  42. If α and β are the zeroes of the quadratic polynomial f(x) = ax^2 + bx + c, then evaluate : β/(aα+b) + α/(aβ+b) Watch Solution
  43. If α and β are the zeroes of the quadratic polynomial f(x) = ax^2 + bx + c, then evaluate : a(α^2/β+β^2/α)+b(α/β+β/α) 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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