The diagonals of a square are along the pair of lines whose equation is `2x^2 - 3xy - 2y^2 = 0`If (2,1) is a vertex of the square, then the vertex of the square adjacent to it may beA. (1,4)B. (1,-2)C. (2,-1)D. (1,2)

The diagonals of a square are along the pair of lines whose equation i

1.	The diagonals of a square are along the pair of lines whose equation is `2x^2 - 3xy - 2y^2 = 0`If (2,1) is a vertex of the square, then the vertex of the square adjacent to it may beA. (1,4)B. (1,-2)C. (2,-1)D. (1,2)
Answer» Correct Answer - B

The lines represented by the equation `ax^(2)+2bxy+hy^(2)=0` are mutually perpendicular ifA. `a+b=0`B. `b+h=0`C. `h+a=0`D. `ah=-1`
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