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Let a plane P contain two lines→r=^i+λ(^i+^j),λ∈R and→r=−^j+μ(^j−^k),μ∈R.If Q(α,β,γ) is the foot of the perpendicular drawn from the point M(1,0,1) to P, then 3(α+β+γ) equals |
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Answer» Let a plane P contain two lines →r=^i+λ(^i+^j),λ∈R and →r=−^j+μ(^j−^k),μ∈R. If Q(α,β,γ) is the foot of the perpendicular drawn from the point M(1,0,1) to P, then 3(α+β+γ) equals |
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