Question: (1 point) Let a, b, c and y be the three dimensional vectors a = 5j+4k, b= -3i+7j+2k, = 5i+3j, y = 8i-4j. Perform

(1 point) Let a, b, c and y be the three dimensional

(1 point) Let a, b, c and y be the three dimensional vectors a = 5j+4k, b= -3i+7j+2k, = 5i+3j, y = 8i-4j. Perform the following operations on these vectors: (a) c. + = . (b) (. b) a = (c) ((cc) a) a =

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