1.

Let f_1 (x,y)-=ax^2+2hxy+by^2=0and let f_(i+1) (x,y)=0 denote the equation of the bisectors of f_i (x,y)=0for all i=1,2,3,….. If f_(i+1) (x,y)=0 repersents the equation of a pair of perpendicular lines , then f_3(x,y) =0 is same as

Answer»

`f_1(X,y)=0`
`f_2(x,y)=0`
`hx^2-(a-b)xy-hy^2=0`
NONE of the above

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions