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vector
Term | Definition |
---|---|
Equation of a Sphere | (x-h)^2 + (y-k)^2 +(z-l)^2 = r^2 r=radius |
Vector of AB | a = <B1-A1, B2-A2, B3-A3> |
Length of Vector a (2 dimensional) | IaI = sqr((a1)^2 +(a2)^2 |
Vector a + Vector b | <a1+b1, a2+b2> |
Vector a - Vector b | <a1-b1, a2-b2> |