cross or vector product of unit vectors

Last time I have written about the dot product of unit vectors that is:





Today I will discuss about the cross product of unit vectors:

i x j = k

j x k=i

k x i =j

j x i= -k

k x j= -i

i x k= -j


i x i = j xj = k x k =0

Do you know how the above results come? If your answer is no, then let us discuss it: Continue reading “cross or vector product of unit vectors”

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Coordinate systems

Coordinate system is used to represent any point, say P(x, y, z ) in space. There are many methods by which this can be done, but there  are three simple methods, which we will discuss in this article.

Types of coordinate systems are :

I. Cartesian or rectangular coordinate system.

II  Cylindrical coordinate system

III Spherical coordinate system.

Today I will discuss briefly about the cartesian or rectangular coordinate system:

Continue reading “Coordinate systems”

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