Up next · Vectors and space
Points and distance in space
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Vectors and space
Step into three dimensions with points, vectors, dot and cross products, lines, planes and moving objects.
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Partial derivatives
Differentiate functions of several variables, find gradients and tangent planes, and optimize in 3D.
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Multiple integrals
Add up volume, mass and averages over flat regions and solid shapes, in any coordinate system.
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Vector calculus
Integrate along curves and across surfaces, and meet the big theorems that tie them together.