题目
设alpha=(3,-1,0,2)^T，beta=(3,1,-1,4)^T，若向量gamma满足2alpha+gamma=3beta，则gamma=().A. (3,5,-3,-8)^TB. (3,5,-3.8)^TC. (3,5,3.8)^TD. (3,-5,-3.8)^T
设$\alpha=(3,-1,0,2)^T$，$\beta=(3,1,-1,4)^T$，若向量$\gamma$满足$2\alpha+\gamma=3\beta$，则$\gamma=$().
A. $(3,5,-3,-8)^T$
B. $(3,5,-3.8)^T$
C. $(3,5,3.8)^T$
D. $(3,-5,-3.8)^T$
题目解答
答案
B. $(3,5,-3.8)^T$