Mathematics, 17.09.2019 04:30 danielajimenezowfsvp

1. let a = 2i + j − k, b = i + k and c = j + 2k. (a) compute a × b. (b) find the length of a and a unit vector in the direction of a. (c) find a vector that is orthogonal to both a and b. (d) calculate the area of the parallelogram determined by the vectors a and b.

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1. let a = 2i + j − k, b = i + k and c = j + 2k. (a) compute a × b. (b) find the length of a and a u...