1.

Two line from the family of lines (1+2lambda)x-(1+lambda)y+1=0 and the line x+y=5 form an equilateral triangle. The equation of the two lines can be

Answer»

`y-2=(2+sqrt3)(x-1)`
`y-2=(2-sqrt3)(x-1)`
`y-2=(-SQRT2)(x-1)`
`y-1=(3-sqrt2)(x-1)`

ANSWER :A::B


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