Point - lies on the plane x-y-z-2- Let a-k- and k-k-a-0 then -

The correct option is C 2 k̂×(k̂×a)=(k̂.a)k̂ (k̂.k̂)a =γk̂ (αî+βĵ+γk̂)=0 ⇒αî+βĵ=0 ∴α=β=0 (α,β,γ) lies on the plane x+y+z=2 ( ...

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Family of Planes Passing through the Intersection of Two Planes

Point α,β,γ...

Question

Point $(α, β, γ)$ lies on the plane $x + y + z = 2$ . Let $\to a = α^i + β^j + γ^k$ and $^k \times (^k \times \to a) = 0$ then $γ =$

0

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