What is the difference between dot product and cross product?
The dot product gives a scalar (zero when perpendicular); the cross product gives a vector perpendicular to both (zero when parallel).
The dot product gives a scalar (zero when perpendicular); the cross product gives a vector perpendicular to both (zero when parallel). A reliable way to keep them apart is to focus on what each one is defined by, not just the similar-sounding words.
Key point
dot product vs cross product
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