Question

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

Answer 1

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

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]`