Subtraction of coordinate vector What is (- 6, - 5) - (4, - 6)?
(-10,1)
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- 1. Subtraction of vector Some judgment question vector ab - vector BC = vector AC, seeking advice vector ab - vector BC should be wrong, but I can't work it out. I'm depressed
- 2. The subtraction of space vector satisfies the combination law What is the law of association?
- 3. Is there an association law for vector subtraction?
- 4. Why does the scalar product of a vector not satisfy the associative law
- 5. Does space vector subtraction have exchange rate and combination law Space vector addition has exchange rate, subtraction has
- 6. Is there a distributive law for vector subtraction!
- 7. In vector addition, how to add two collinear vectors when they are reversed? Please give an example
- 8. What is the geometric meaning of vector addition?
- 9. High one vector addition operation In the triangle ABC, AB + BC = AC In quadrilateral ABCD, AB + BC + CD = AC + CD = ad In Pentagon ABCDE, AB + BC + CD + de = AC + CD + de = AD + de = AE What are the general rules?
- 10. On the problem of vector addition~ (vector AB + vector MB) + (vector Bo + vector BC) + vector OM=______________ ?
- 11. The difference between vector and physical vector
- 12. Is the vector in mathematics related to the vector in physics
- 13. Is vector as like as two peas? What is the reason why mathematics is usually referred to as vectors in physics?
- 14. How to find the unit vector
- 15. What is fraction addition and subtraction
- 16. The moment of momentum of a particle relative to a fixed point is usually regarded as a location vector at the center of the moment? I asked what these two concepts mean, not about the right-handed system
- 17. How to calculate the length of a vector
- 18. Why can vectors (vectors in Physics) be calculated from geometry? How can we prove that everything obeys this law? Why should we abide by this Law and not others?
- 19. How to calculate the length of a complex vector? Suppose I have a two-dimensional complex vector a, how can I prove that the square of its length is equal to the conjugate product of a and a? In other words, why is it not equal to the product of a and a itself? I know that the conjugate of a and a can guarantee that the product is positive, but why is the length calculated in this way?
- 20. How to calculate the vector product vector a * vector b (how to determine the size and direction) Note that * is not a dot product, and the result is not a number, but a vector Take the operational expression of physical quantities such as moment and angular momentum as an example