AP EAMCET202418 May 2024Morning ShiftMathematicsTrigonometric EquationsActual
1+ x+ ^2 x+ ^3 x+ + =4+2 3 and 0 x , x 2 then x=
Options
- A6 , 4
- B4 , 5 6
- C2 5 , 6
- D3 , 2 3
Correct answer
D. 3 , 2 3
Step-by-step solution
aligned & Since, 1+ x+ ^2 x+ ^3 x+ =4+2 3 & 1 1- x =4+2 3 1- x= 1 4+2 3 aligned aligned & 1- x= 4-2 3 4 1- x=1- 3 2 & x= 3 2 x= 3 , 2 3 aligned