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Three lines are given by →r=λ^i, λ∈R →r=μ(^i+^j), μ∈R →r=ν(^i+^j+^k) ν∈R.Let the lines cut the plane x+y+z=1 at the points A,B and C respectively. If the area of the triangle ABC is △, then the value of(12△)2 equals to |
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Answer» Three lines are given by →r=λ^i, λ∈R →r=μ(^i+^j), μ∈R →r=ν(^i+^j+^k) ν∈R. Let the lines cut the plane x+y+z=1 at the points A,B and C respectively. If the area of the triangle ABC is △, then the value of(12△)2 equals to |
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