2. Questions Bank
  3. 8th Class
  4. Mental Ability
  5. Related to Competitive Exam

8th Class Mental Ability Related to Competitive Exam Question Bank Polynomials

  • question_answer
    If \[A=5{{x}^{3}}-3{{x}^{2}}+2x-5\]and \[B=3{{x}^{3}}-{{x}^{2}}-x+2,\]find the value of \[A-B.\]

    A) \[8{{x}^{3}}-4{{x}^{2}}+x-3\]      

    B)           \[2{{x}^{3}}+{{x}^{2}}-3x+7\]     

    C)            \[8{{x}^{3}}-4{{x}^{2}}+x-3\]     

    D)           \[2{{x}^{3}}-2{{x}^{2}}+3x-7\]

    Correct Answer: D

    Solution :

    Not Available


You need to login to perform this action.
You will be redirected in 3 sec spinner