In Exercises determine whether the statement is true or false. If it is false, explain why or
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In Exercises determine whether the statement is true or false. If it is false, explain why or give an example that shows it is false.
If v = a1i + b1j + c1k is any vector in the plane given by
a₂x + b₂y + c₂z + d₂ = 0, then a₁a₂ + b₁b₂ + c₁c₂ = 0.
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