Jika A = [ -1 1 } dan B= { 1 5 }
3 -2 3 3
maka determinan 1/2 (AB) = ....
pleas di jawab ya,kwan".
3 -2 3 3
maka determinan 1/2 (AB) = ....
pleas di jawab ya,kwan".
Aurizdwich
![= \frac{1}{2} \left[\begin{array}{ccc}-1&1\\1&5\\\end{array}\right] \\ = \frac{1}{2} 5 -1 \\ = \frac{1}{2}(-6) \\ -3](https://tex.z-dn.net/?f=+%3D+%5Cfrac%7B1%7D%7B2%7D++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-1%261%5C%5C1%265%5C%5C%5Cend%7Barray%7D%5Cright%5D++%5C%5C+%3D+++%5Cfrac%7B1%7D%7B2%7D+5+-1++%5C%5C+%3D+%5Cfrac%7B1%7D%7B2%7D%28-6%29+%5C%5C+-3 "= \frac{1}{2} \left[\begin{array}{ccc}-1&1\\1&5\\\end{array}\right] \\ = \frac{1}{2} 5 -1 \\ = \frac{1}{2}(-6) \\ -3")
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