Yg pintar MTK dong....

Yg pintar MTK dong….

Jawab:

$left[begin{array}{ccc}15\11end{array}right]$

Diketahui:

u = $left[begin{array}{ccc}-3\5end{array}right]$

v = $left[begin{array}{ccc}4\-2end{array}right]$

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

Ditanya: u +3v – 2w

Solusi:

$left[begin{array}{ccc}-3\5end{array}right] + 3left[begin{array}{ccc}4\-2end{array}right]-2left[begin{array}{ccc}-3\-6end{array}right]\left[begin{array}{ccc}-3\5end{array}right]+left[begin{array}{ccc}(3)(4)\(3)(-2)end{array}right]-left[begin{array}{ccc}(2)(-3)\(2)(-6)end{array}right]\left[begin{array}{ccc}-3\5end{array}right]+left[begin{array}{ccc}12\-6end{array}right]-left[begin{array}{ccc}-6\-12end{array}right]$

Tinggal ditambahin & dikurangin.

$left[begin{array}{ccc}-3+12-(-6)\5+(-6)-(-12)end{array}right]\left[begin{array}{ccc}15\11end{array}right]$

Jadi, jawabannya adalah d.

Jika ada yang kurang jelas, silakan ditanya.