Home/ Questions/Q 490088
Next
In Process
Amrit Pratap Barman
Asked: 2022-11-11T07:45:56+05:30 In:

Which of the following equations has roots as a,b and c ?
A. `x^(3) + x^(2)(a+b+c) + x(ab+bc+ca) + abc = 0`
B. `x^(3)+x^(2)(a+b+c)+x(ab+bc+ca) – abc = 0`
C. `x^(3) – x^(2)(a+b+c) + x(ab+bc+ca)-abc = 0`
D. `x^(3)-x^(2)(a+b+c)-x(ab+bc+ca) – abc = 0`

Which of the following equations has roots as a,b and c ?
A. `x^(3) + x^(2)(a+b+c) + x(ab+bc+ca) + abc = 0`
B. `x^(3)+x^(2)(a+b+c)+x(ab+bc+ca) – abc = 0`
C. `x^(3) – x^(2)(a+b+c) + x(ab+bc+ca)-abc = 0`
D. `x^(3)-x^(2)(a+b+c)-x(ab+bc+ca) – abc = 0`
Parabola
Leave an answer

Leave an answer

Browse

1 Answer

  1. Correct Answer – C
    Let `(x-a) (x-b) (x-c) = 0` and expand.

    • 0