Question

If you can answer this you are a star , plzz i need help

Answer 1

Answer:

$\left[\begin{array}{ccc}9\\10\\\end{array}\right]$

Step-by-step explanation:

Multiply the components of A by 3 then add corresponding components of

3a + b

3$\left[\begin{array}{ccc}2\\4\\\end{array}\right]$ + $\left[\begin{array}{ccc}3\\-2\\\end{array}\right]$

= $\left[\begin{array}{ccc}6\\12\\\end{array}\right]$ + $\left[\begin{array}{ccc}3\\-2\\\end{array}\right]$

= $\left[\begin{array}{ccc}6+3\\12-2\\\end{array}\right]$

= $\left[\begin{array}{ccc}9\\10\\\end{array}\right]$