Polynomials

Subject matter experts of JagranJosh have developed a chapter wise practice sets as per the relevancy of the chapter in the board exam. This practice set contains 15 questions with detailed explanations on “Chapter: Polynomials” of Mathematics.

• Q1.If $2\left(a^2+b^2\right)={\left(a+b\right)}^2$ , then

  A) a+b=0
  B) a = b
  C) 2a = b
  D) ab = 0
  Show Solution Report Error

  Please Login here to view detailed solution of this question

  Please Login here to report us any error for this question

  

  Please wait...

• Q2.If a+b = -1, then the value of $a^3+b^3-3ab$

  A) 26
  B) 1
  C) -1
  D) -26
  Show Solution Report Error

  Please Login here to view detailed solution of this question

  Please Login here to report us any error for this question

  

  Please wait...

• Q3.If $x=\frac{1}{2-\sqrt{3}}$, then the value of $\left(x^2-4x+1\right)$ is:

  A) 3
  B) Zero
  C) 1
  D) -1
  Show Solution Report Error

  Please Login here to view detailed solution of this question

  Please Login here to report us any error for this question

  

  Please wait...

• Q4.The remainder on factorization of polynomial $x^3+x-3-3x^2$ by x-2 is:

  A) Zero
  B) 2
  C) 3
  D) 1
  Show Solution Report Error

  Please Login here to view detailed solution of this question

  Please Login here to report us any error for this question

  

  Please wait...

• Q5.The number of zeros of the polynomial $x^3+x-3-3x^2$ is:

  A) Zero
  B) 1
  C) 2
  D) 3
  Show Solution Report Error

  Please Login here to view detailed solution of this question

  Please Login here to report us any error for this question

  

  Please wait...

• Q6.If (x+2) and (x-2) are factors of $a{x}^4+2x-3x^2+bx-4$ , then the value of a+b is:

  A) 1
  B) -1
  C) 3
  D) -3
  Show Solution Report Error

  Please Login here to view detailed solution of this question

  Please Login here to report us any error for this question

  

  Please wait...

• Q7.Find the zeros of the polynomial $x^2-3$

  A) $\sqrt{3} and-\sqrt{3}$
  B) $\sqrt{2} and-\sqrt{2}$
  C) $\sqrt{5} and-\sqrt{5}$
  D) $\sqrt{7} and-\sqrt{7}$
  Show Solution Report Error

  Please Login here to view detailed solution of this question

  Please Login here to report us any error for this question

  

  Please wait...