Question

please give full solution ​

Answer 1

Answer:

1 is 4

2 is 9

3 is 31

Step-by-step explanation:

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Answer 2

Calculate the cross product between a=(3,−3,1) and b=(4,9,2).

Calculate the area of the parallelogram spanned by the vectors a=(3,−3,1) and b=(4,9,2).

Calculate the area of the parallelogram spanned by the vectors a=(3,−3,1) and c=(−12,12,−4).