The entries of A are aij. Assuming that zeros don't appear, what is(a) the first pivot?(b) the multiplier L31 of row 1 to be subtracted from row 3?(c) the new entry that replaces a32 after that subtraction?(d) the second pivot?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The entries of A are aij. Assuming that zeros don't appear, what is
(a) the first pivot?
(b) the multiplier L31 of row 1 to be subtracted from row 3?
(c) the new entry that replaces a32 after that subtraction?
(d) the second pivot?

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