MHT CET202019 Oct 2020Morning ShiftMathematicsPair of LinesActual
The separate equations of the lines represented by 4 x²-y²+2 x+y=0 are
Options
- A2 x-2 y+1=0 , x+2 y=0
- B2 x-y+1=0 , 2 x+y=0
- C2 x-y+1=0 , 2 x-y=0
- D2 x-y=0 , 2 x+y+1=0
Correct answer
B. 2 x-y+1=0 , 2 x+y=0
Step-by-step solution
(D) array l 4 x²-y²+2 x+y=0 (2 x+y)(2 x-y)+(2 x+y)=0 (2 x+y)(2 x-y+1)=0 array