Jika matriks A = ![\left[\begin{array}{ccc}a&2&3\\1&a&4\\a&2&5\end{array}\right]](https://tex.z-dn.net/?f=+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%262%263%5C%5C1%26a%264%5C%5Ca%262%265%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}a&2&3\\1&a&4\\a&2&5\end{array}\right]")
tidak mempunyai invers , maka nilai a adalah ....
More Questions From This User See All
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
maka
det A = 5a² + 8a + 6 - 10 - 8a - 3a²
0 = 2a² -4
2a²=4
a²=2
a= +2 / -2