User:UserTwoSix/sandbox

Mississippi

Louisiana

US$3

US$3

US$14,174,342.34 2020

Mississippi

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i, i/k-plane: i⋅j=k

1/j-plane: 1⋅j=j, j/k-plane: j⋅i=-k

[[File:Quaternion 2.svg|thumb|right|Graphical representation of products of quaternion units as 90° rotations in the planes of 4-dimensional space spanned by two of ${1, i, j, k}.$ The left factor can be taken as rotated by the right.• In blue: 1/i-plane: 1⋅i=

• In red:]]