A
Find the pivot position of the following matrix
Stare whether it is invertible or not
A=
3
1
3
9
3
u
1
4
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Answer:
The inverse exists if and only if elimination produces n pivots (row exchanges ... 1. 3 and. 1. 3. Their sum a C b D 0 has no inverse. But the product ab D 9 does have an inverse, which is. 1 ... The important point is that A.
Explanation:
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