AP EAMCET201725 Apr 2017Evening ShiftMathematicsPair of LinesActual
If x^2 a + 2 x y h + y^2 b =0 represents a pair of straight lines such that the slope of one of the lines is twice the other, then a b h^2 =
Options
- A9 8
- B8 9
- C2 2 3
- D3 2 2
Correct answer
A. 9 8
Step-by-step solution
No solution. Refer to answer key.