4. a) b) Let x = 27 + 3j - k, y = i- j + 4k and Z = −3ỉ + ]. Express the vector x – ỷ – 3ž in terms of the vectors ỉ, j and k. Determine x xỷ

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4.
Let x = 2ỉ + 3j - k, ỷ = i- j + 4k and 2 = −37 + j.
a) Express the vector x – ỷ – 32 in terms of the vectors ỉ, j and k.
-
b) Determine x x y
Transcribed Image Text:4. Let x = 2ỉ + 3j - k, ỷ = i- j + 4k and 2 = −37 + j. a) Express the vector x – ỷ – 32 in terms of the vectors ỉ, j and k. - b) Determine x x y
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