Let Р and q be points in R³, then p∙q ≤ ||p||||q||. Hint: (a1, a2, a3) · (b₁,b2, b3) = a1b₁ + a2b2 + a3b3, and ||(a₁.a2. a3) = √a² + a² + a². All ordered triples are in R³

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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p and q

Let P and q be points in R³, then p · q ≤ ||p||||q||. Hint: (a1, a2, a3) · (b₁,b2, b3) = a1b1 + a2b2 + a3b3,
and ||(a₁, a2, a3) = √a² + a² + a². All ordered triples are in R³
Transcribed Image Text:Let P and q be points in R³, then p · q ≤ ||p||||q||. Hint: (a1, a2, a3) · (b₁,b2, b3) = a1b1 + a2b2 + a3b3, and ||(a₁, a2, a3) = √a² + a² + a². All ordered triples are in R³
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