The result of 9 i j i + j − k in the form x + y i + z j + w k , where x , y , z , w ∈ ℝ .

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Chapter 7.2, Problem 32E

To determine

The result of 9iji+j−k in the form x+yi+zj+wk, where x, y, z, w∈ℝ.

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