The volume of the parallelepiped determined by the three-dimensional vectors a, b, and c is 11. Find the volume of the parallelepiped determined by the vectors a+2b, b+2c, and c+2a.
+680 there is an answer here (if you have an account on Chegg.com)
https://www.chegg.com/homework-help/questions-and-answers/volume-parallelepiped-determined-three-dimensional-vectors-b-c-11-find-volume-parallelepip-q14120625
