Cross Product of i x -i: Answer?

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SUMMARY

The cross product of the unit vector i and its negative counterpart -i is definitively zero. This conclusion is based on the fundamental property of cross products where any vector crossed with itself, including its negative, results in a zero vector. The relevant equations include i x i = 0 and i x (-i) = 0, confirming that the operation yields no resultant vector.

PREREQUISITES
  • Understanding of vector operations, specifically cross products.
  • Familiarity with unit vectors in three-dimensional space.
  • Knowledge of vector notation and properties.
  • Basic grasp of linear algebra concepts.
NEXT STEPS
  • Study the properties of cross products in vector calculus.
  • Explore the geometric interpretation of cross products.
  • Learn about the applications of cross products in physics, particularly in torque and angular momentum.
  • Investigate the differences between cross products and dot products in vector mathematics.
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Students studying physics or mathematics, particularly those focusing on vector calculus and linear algebra concepts.

Dudealadude
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Homework Statement


cross product of i x -i


Homework Equations


i x i =0, i x j = k, etc.

The Attempt at a Solution


I'm guessing it would be zero, just making sure because I keep getting the question I'm working on wrong.
 
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It is zero. You might want to start a new thread with more details on the problem if you're still having trouble.
 

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