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NSWMaths Extension 2Quick questions
Further Work with Vectors (MEX-V1)
Quick questions on Three-dimensional vectors, lines and spheres in HSC Mathematics Extension 2: component form, magnitude, the scalar product, vector equations of lines and the equation of a sphere
1short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is sign errors in the scalar product?Show answer
A negative component multiplied through changes the sign of a term. Track signs carefully; a single slip flips the angle past or before .
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