Circle Equation Parameter K (Jee Mains) | ExamDuo
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Equation & Position in Circle
Medium
Circle Equation Parameter K
Let
and
be vectors such that
and
=
. If λ
1
, λ
2
(λ
1
> λ
2
) are the possible values of
, then the equation K
2
x
2
+(K
2
–5K+λ
1
)xy +
–8x+12y+λ
2
= 0 represents a circle, for K equal to :
SELECT ONE OPTION
A
4
B
1
C
–1
D
2
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and 
be vectors such that 
and 
= 
. If λ1, λ2(λ1 > λ2) are the possible values of 
, then the equation K2x2+(K2–5K+λ1)xy + 
–8x+12y+λ2= 0 represents a circle, for K equal to :