??????? 3. Let ( V=mathbb{R}^{3} ) and consider the linear map ( T: mathbb{R}^{3} ightarrow mathbb{R} ) defined by ( Tleft(x_{1}, x_{2}, x_{3} ight)=5

??????? 3. Let \( V=\mathbb{R}^{3} \) and consider the linear map \( T: \mathbb{R}^{3} \rightarrow \mathbb{R} \) defined by \( T\left(x_{1}, x_{2}, x_{3}\right)=5 x_{1}-7 x_{3} \). Find a basis \( \beta \) of 2 answers