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Let point A be (1,1) and equation of BC ...

Let point `A` be `(1,1)` and equation of `BC` is `(x+y-1)+lambda(2x-y+4)=0` and area of `Delta ABC` is maximum, then slope of the line `AB` and `AC` ,may be equal to (Given `AB=AC` and `BC=2` units)

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