The slope of line which belongs to family (1+ l) x + (1-l)y + 2(1-l) = 0 and makes shortest intercept on `x^2 = 4y - 4`

The slope of line which belongs to family (1+ l) x + (1-l)y + 2(1-l) =

1.	The slope of line which belongs to family (1+ l) x + (1-l)y + 2(1-l) = 0 and makes shortest intercept on `x^2 = 4y - 4`
Answer» `(1+l)x+(l-1)y+2(1-l)=0` `x+xl+ly-y+2+2l=0` `(x-y+2)+l(x+y-2)=0` `x-y+2=0-(1)` `x+y-2=0-(2)` adding equation 1 and 2 x=0,y=0 `x^2=4(y-1)` `F(0,2)` `1/(FA)+1/(FB)=2/(FC)` option c is correct

The slope of line which belongs to family (1+ l) x + (1-l)y + 2(1-l) = 0 and makes shortest intercept on `x^2 = 4y - 4`
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