1.

The reflection of the point (α, β, γ) in the xy-plane is(a) (α, β, 0) (b) (0, 0, γ) (c) (-α, -β, γ) (d) (α, β, -γ)

Answer» The reflection of the point (α, β, γ) in the xy-plane is

(a) (α, β, 0)

(b) (0, 0, γ)

(c) (-α, -β, γ)

(d) (α, β, -γ)


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