Nilai 2a+b apabila diketahui kesamaan matriks ![\left[\begin{array}{ccc}a&ab\\3&5\end{array}\right] = \left[\begin{array}{ccc}b-1&6\\3&3a-1\end{array}\right]](https://tex.z-dn.net/?f=+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%26ab%5C%5C3%265%5Cend%7Barray%7D%5Cright%5D+%3D+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Db-1%266%5C%5C3%263a-1%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}a&ab\\3&5\end{array}\right] = \left[\begin{array}{ccc}b-1&6\\3&3a-1\end{array}\right]")
adalah...
plissss jawabnya pke jaln ya....
plissss jawabnya pke jaln ya....
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a=4/3
3a-1=3.4/3-1=3
a=4/3
b-1=ab
b-1=4/3.b
-1=4/3.b
b=1 4/3