Consider A = 112 0 1 2 (a) Find A-¹ by using row operations on [A1]. List the one you use in order. (b) Find A-¹ by using column operations on [4] List the one you use in order. (c) Use (a) to write A¹ as a product of elementary matrices.

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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2 3
Consider A= 1 1 2
0
1 2
(a) Find A-¹ by using row operations on [A1]. List the one you use in order.
(b) Find A-¹ by using column operations on [4] List the one you use in order.
(c) Use (a) to write A-¹ as a product of elementary
matrices.
(d) Use (b) to write A-1 as a product of elementary matrices.
Transcribed Image Text:2 3 Consider A= 1 1 2 0 1 2 (a) Find A-¹ by using row operations on [A1]. List the one you use in order. (b) Find A-¹ by using column operations on [4] List the one you use in order. (c) Use (a) to write A-¹ as a product of elementary matrices. (d) Use (b) to write A-1 as a product of elementary matrices.
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