In the LU decomposition of the matrix | 2 2 | | 4 9 | , if the diagonal elements of U are both 1, then the lower diagonal entry l22 of L is

In the LU decomposition of the matrix | 2 2 | | 4 9

1.	In the LU decomposition of the matrix \| 2 2 \| \| 4 9 \| , if the diagonal elements of U are both 1, then the lower diagonal entry l22 of L is
A.	4
B.	5
C.	6
D.	7
Answer» C. 6

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In the LU decomposition of the matrix | 2 2 | | 4 9 | , if the diagonal elements of U are both 1, then the lower diagonal entry l22 of L is

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