Most Important Selected Qs for JEE AdvancedMathematicsQuadratic Equation
If one of the roots of the equation | array ccc 7 & 6 & x^2-13 2 & x^2-13 & 2 x^2-13 & 3 & 7 array |=0 is x=2 , then sum of all other five roots is
Options
- A2 15
- B-2
- C20 + 15 -2
- Dnone of these
Correct answer
B. -2
Step-by-step solution
aligned & 7 7 (x^2-13 )-6 - 14-2 (x^2-13 + (x^2-13 ) 6- (x^2-13 )^2 =0 . & + + + + +2=0 aligned