題組內容
7. Define a mapping from $$R^2$$ to $$R^2$$: $$L(x) = (x1+3x2+2, 5x1+x2)^T$$ for each $$x \in R^2$$.
(a)(6%) Determine whether the mapping L is a linear transformation.
7. Define a mapping from $$R^2$$ to $$R^2$$: $$L(x) = (x1+3x2+2, 5x1+x2)^T$$ for each $$x \in R^2$$.
(a)(6%) Determine whether the mapping L is a linear transformation.